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Frank solutions for केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी chapter 9F - Carboxylic Acids [Latest edition]

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Frank solutions for केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी chapter 9F - Carboxylic Acids - Shaalaa.com
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Solutions for Chapter 9F: Carboxylic Acids

Below listed, you can find solutions for Chapter 9F of CISCE Frank for केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी.


Exercise 1Exercise 2Exercise 3Exercise 4Exercise 5Exercise 6Exercise 7Exercise 8Exercise 9Exercise 10
Exercise 1 [Page 290]

Frank solutions for केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी 9F Carboxylic Acids Exercise 1 [Page 290]

1Page 290

Write the molecular formulae and structure formula of ethanic acid?

2Page 290

What is vinegar and glacial acetic acid?

3Page 290

Write three physical properties of acetic acid.

4Page 290

Write the important uses of acetic acid.

5Page 290

What is the main constituent of vinegar?

6Page 290
What is the result of oxidation of ethyl alcohol?
7Page 290

What is the action of acetic acid with litmus paper?

8Page 290

What is thr boilng point of acetic acid?

9Page 290

Define glacial acetic acid?

10Page 290

Name the first four members of alphatic carboxylic acid.

11.1Page 290

How will you carry out the following conversions?

Ethene to acetic acid

11.2Page 290

How Will You Carry Out the Following Conversions?

Ehane to acitic acid

12.01Page 290

Fill in the blank with appropriate word/words.

Vinegar is a solution of about ________per cent ________in water.

12.02Page 290

Fill in the blank with appropriate word/words.

The general formula for alkene and alkyne are _____ and______respectively

12.03Page 290

Fill in the blank with appropriate word/words.

The catalyst used for hydrogen of vegetable oil is ___________

12.04Page 290

Fill in the blank with appropriate word/words.

For artificial ripening of fruits _________is used.

12.05Page 290

Fill in the blank with appropriate word/words.

Bayer's reagent is _________

12.06Page 290

Fill in the blank with appropriate word/words.

Esterification is the reaction between carboxylic acid and ______ in presence of ____

12.07Page 290

Fill in the blank with appropriate word/words.

Denatured alcohol is a mixture of _____ and _______

12.08Page 290

Fill in the blank with appropriate word/words.

For test of unsaturation _____is used.

12.09Page 290

Fill in the blank with appropriate word/words.

 In laboratory ethyne is prepared by the reaction of water an _________

12.1Page 290

Fill in the blank with appropriate word/words.

Two isomers of the compound having molecular formula C3H6O are __________and ________

13.1Page 290

Compounds having the same molecular formula but different properties are called

  • Isotopes

  • Isomers

  • Isobars

  • Allotrops 

13.2Page 290

The first organic compound prepared by Wohler in the laboratory was

  • acetic acid

  • methane

  • Acetylene

  • Urea

13.3Page 290

Soda-lime is a mixture of

  • NaOH + CaCl2

  • NaOH + CaCO3

  • NaOH + CaO

  • NaOH + Al2O3

13.4Page 290

When sodium propionate is heated with soda-lime, the product formed is

  • Methane

  • Ethane

  • Ethene 

  • Ethyne

13.5Page 290

LPG contains

  • Methane

  • Ethane

  • Butane

  • None of these

13.6Page 290

Methane reacts with energy of chlorine in diffused sunlight to give the final product as

  • Chloroform

  • Carbon tetrachloride

  • Methylene chloride

  • Methyl chloride

13.7Page 290

Ethene reacts with 1% cold alkaline KMnOto give

  • Oxalic acid

  • Ethyl alcohol

  • Acetaldehyde

  • Ethylene glycol

13.8Page 290

When ethanol is heated with conc. H2SO4 at 170oC, it gets converted into ethane. In this reaction conc. H2SO4 acts as

  • Oxidizing agent

  • Catalyst

  • Dehydrating agent

  • Reducing agent

Exercise 2 [Page 291]

Frank solutions for केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी 9F Carboxylic Acids Exercise 2 [Page 291]

1.1Page 291

For each of the compounds : (a) ethane (b) vinegar (c) Marsh gas draw the relevant structural formula

1.2Page 291

What word is used to describe theses three compounds taken together?

2.1Page 291

What is the special feature of the structure of:

(a) C2H2  

(b) C2H4

2.2Page 291

What type of reaction is common to both of these compounds?

3.1Page 291

Give the name and structural formula of:

A saturated Hydrocrbon

3.2Page 291

Give the name and strusctural formula of:

Ansaturated hydrocarbon with a double bond.

4Page 291

Copy and complete the following sentence:

A saturated hydrocarbon will undergo _______reactions, whereas the typical reaction of an unsaturated hydrocarbon is _______.

5.1Page 291

Write the equation for the laboratory preparation of Ethyne (acetylene) from calcium carbide.

5.2Page 291

What is the special feature of the structure of Ethyne?

5.3Page 291

What would you see when ethyne is bubbled through a solution of bromine in carbon tetrachloride?

5.4Page 291

Name the addition product formed between ethane and water.

6Page 291

State what do you observe ethene is bubbled through a solution of bromine in terachloromethane (carbon tetrachloride)

7Page 291

Fill in the blanks by chosing words from the given list of words:

Addition, Carbohydrates, CnH2n-2, CnH2n+2, electrochemical, homologus, hydrocarbons, saturated, substitution, unsaturated.

The alkanes form a ______series with general formula_________The alkanes are_______,which generally undergo________reactions.

Exercise 3 [Page 292]

Frank solutions for केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी 9F Carboxylic Acids Exercise 3 [Page 292]

1.1Page 292

Ethanol can be converted into ethene which can be changed into ethane. Choose the correct word or phrase from the options to complete the following sentence.

The conversion of ethanol into ethene is an example of ______.

  • dehydration

  • dehydrogenation

1.2Page 292

Ethanol can be converted into ethene which can be changed into ethane. Choose the correct word or phrase from the options to complete the following sentence.

Converting ethanol into ethene requires the use of ______.

  • conc. HCl

  • conc. HNO3

  • conc. H2SO4

1.3Page 292

Ethanol can be converted into ethene which can be changed into ethane. Choose the correct word or phrase from the options to complete the following sentence.

The conversion of ethene into ethane is an example of ______.

  • hydration

  • hydrogenation

1.4Page 292

Ethanol can be converted into ethene which can be changed into ethane. Choose the correct word or phrase from the options to complete the following sentence.

The catalyst used in the conversion of ethene to ethane is commonly ______.

  • iron

  • cobalt

  • nickel

2Page 292
Write down the equation for the preparation of ethyne from calcium carbide?
3.1Page 292
Write down the equation for the preparation of ethyne from calcium carbide?
3.2Page 292

The reaction between ethene and chlorine forms only one product. Name the type of the reaction.

3.3Page 292

(a) Draw the structural formula of ethene.

(b) What is the feature of the ethene structure, which allows ethene to react with chlorine in the way it does?

4.1Page 292

The list of some organic compounds is given below:
Ethanol, ethane, methane, ethyne and ethene
From the above list, name a compound:

Formed by the dehydration of ethanol by concentrated sulphuric acid.

4.2Page 292

The list of some organic compounds is given below:
Ethanol, ethane, methane, ethyne and ethene
From the above list, name a compound:

Which forms methanoic acid on oxidation in the presence of copper at 200°C

4.3Page 292

The list of some organic compounds is given below:
Ethanol, ethane, methane, ethyne and ethene
From the above list, name a compound:

Which has vapour density 14 and turns acidic potassium permanganate colourless?

4.4Page 292

The list of some organic compounds is given below:
Ethanol, ethane, methane, ethyne and ethene
From the above list, name a compound:

Which forms chloroform on halogenations in the presence of sunlight?

4.5Page 292

The list of some organic compounds is given below:
Ethanol, ethane, methane, ethyne and ethene
From the above list, name a compound:

Which decolourises bromine solution in carbon tetrachloride?

5.1Page 292

Write balanced equations to show the preparation of the following:

Ethane from sodium propionate

5.2Page 292

Write balanced equations to show the preparation of the following:

Ethene from ethanol

5.3Page 292

Write balanced equations to show the preparation of the following:

Ethyne from Calcium carbide

5.4Page 292

Write balanced equations to show the preparation of the following:

Ethanoic acid from ethane

6.1Page 292

Which compound should be heated with soda lime to obtain ethane gas in the laboratory?

6.2Page 292

Write the equation for the reaction involved in the above question.

6.3Page 292

Write the balanced equation for the complete combustion of ethane.

6.4Page 292

Name a solid which can be used, instead of conc H2SO4 to prepare ethylene by dehydration of ethanol.

6.5Page 292

Name a reagant which can be used to distinguish between ethane and ethene.

6.6Page 292

Ethylene forms and addition product with chlorine. name this addition product and write its structural formula.

7Page 292

Write balanced euation for the following :
Ethane is burnt in air.

7.1Page 292

Write a balanced equation for the following:

Write the equation for the preparation of ethylene from ethyl alcohol.

7.2Page 292

Write balanced euation for the following :

Write the general formula for a saturated hydrocarbon and give one example of a saturated hydrocarbon with its structural formula.

7.3Page 292

Write balanced euation for the following :

Name a compound which will give acetylene gas, when treated with water.

Exercise 4 [Page 293]

Frank solutions for केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी 9F Carboxylic Acids Exercise 4 [Page 293]

1.1Page 293

Draw the structural formula of a compound with two carbon atoms in the following case:

An alkane with a carbon to carbon single bond.

1.1Page 293

Draw the structural formula of a compound with two carbon atoms in the following case:

An alcohol containing two carbon atoms.

1.1Page 293

Draw the structural formula of a compound with two carbon atoms in the following case:

An unsaturated hydrocarbon with carbon to carbon triple bond.

1.2Page 293

Ethane, Ethene, Ethanoic acid, Ethyne, Ethanol

From the compounds given above, name

 The compound with -OH as apart of its structure.


1.2Page 293

Ethane, Ethene, Ethanoic acid, Ethyne, Ethanol

From the compounds given above, name

The compound with -COOH as apart of its structure.

1.2Page 293

Ethane, Ethene, Ethanoic acid, Ethyne, Ethanol

From the compounds given above, name

Homologue of homologous series with general formula CnH2n.

2.1Page 293

Write the equation of the following laboratory preparation:

Ethane from sodium propionate.

2.2Page 293

Write the equation of the following laboratory preparation: 

Ethene from iodoethane.

2.3Page 293

Write the equation of the following laboratory preparations:

Ethyne from calcium carbide.

3Page 293

Define the term catenation.

4.1Page 293

Give the correct IUPAC name and the fiJnctional group for each of the
compounds whose structural formulae are given below:

\[\begin{array}{cc}
\phantom{.....................}\ce{H}\phantom{...}\ce{H}\phantom{....}\ce{O}\phantom{...............}\\
\phantom{...........}| \phantom{....}|\phantom{.} \phantom{..}//\phantom{......}\\
\ce{H-C-C-C}\\
\phantom{.......}| \phantom{....}|\phantom{..}\phantom{..}\text{\\} \phantom{..}\\
\phantom{...............}\ce{H}\phantom{...}\ce{H}\phantom{}\phantom{...}\ce{H}\phantom{.........}\
\end{array}\]

4.2Page 293

Give the correct IUPAC name and the fiJnctional group for each of the
compounds whose structural formulae are given below:

\[\begin{array}{cc}
\phantom{......}\ce{H}\phantom{..}\ce{H}\phantom{..}\ce{H}\phantom{........}\\
\phantom{}|\phantom{...}|\phantom{...}|\phantom{..}\\
\ce{H-C-C-C-OH}\\
\phantom{}|\phantom{...}|\phantom{...}|\phantom{..}\\
\phantom{......}\ce{H}\phantom{..}\ce{H}\phantom{..}\ce{H}\phantom{........}\\
\end{array}\]

5.1Page 293

Write the equation for the preparation of carbon tetrachloride from methane.

5.2Page 293

Draw the structural formula of ethyne.

5.3Page 293

How  is the structure of alkynes different from that of alkenes?


6Page 293

Fill in blanks with correct words from the brackets:

Alkenes are the__________(Analogous/homologous) sries of _________(saturated/unsaturated) hydrocarbons. They differ from alkanes due to the presence of_______(double/single) bonds. Alkenes mainly undergo________(addition/substitution) reactions.

7.1Page 293

Give the IUPAC names of the follwing compound. The IUPAC names of the compounds on the left are to guide you into giving the correct names of the compounds on the right.

\[\begin{array}{cc}
\phantom{....}\ce{H}\phantom{..}\ce{H}\phantom{..}\ce{H}\\
\phantom{.......}|\phantom{...}|\phantom{...}|\phantom{....}\\
\ce{H-C-C=C}\\
\phantom{.......}|\phantom{...}\phantom{...}|\phantom{....}\\
\phantom{...}\ce{H}\phantom{....}\ce{}\phantom{..}\ce{H}\\
\end{array}\]

Propane

\[\begin{array}{cc}
\phantom{...}\ce{H}\phantom{.......}\ce{}\phantom{..}\ce{}\\
\phantom{.......}|\phantom{.......}\phantom{...}\phantom{....}\\
\ce{H-C-C≡C-H}\\
\phantom{.......}|\phantom{.......}\phantom{...}\phantom{....}\\
\phantom{...}\ce{H}\phantom{.......}\ce{}\phantom{..}\ce{}\\
\end{array}\]

_____________

7.2Page 293

Give the IUPAC names of the follwing compound. The IUPAC names of the compounds on the left are to guide you into giving the correct names of the compounds on the right.

\[\begin{array}{cc}
\phantom{}\ce{H}\phantom{..}\phantom{}\ce{H}\phantom{..}\phantom{}\ce{H}\phantom{..}\phantom{}\ce{H}\phantom{..}\phantom{}\ce{H}\phantom{}\\
\phantom{...}|\phantom{...}\phantom{}|\phantom{...}\phantom{.}|\phantom{...}\phantom{}|\phantom{...}\phantom{}|\phantom{...}\\
\ce{H-C-C-C-C-C-H}\\
\phantom{...}|\phantom{...}\phantom{}|\phantom{...}\phantom{.}|\phantom{...}\phantom{}|\phantom{...}\phantom{}|\phantom{...}\\
\phantom{}\ce{H}\phantom{..}\phantom{}\ce{H}\phantom{..}\phantom{}\ce{H}\phantom{..}\phantom{}\ce{O}\phantom{..}\phantom{}\ce{H}\phantom{}\\
\phantom{.......}\ce{H}
\end{array}\]

Pentan - 2 - ol

\[\begin{array}{cc}
\phantom{}\ce{H}\phantom{..}\phantom{}\ce{H}\phantom{..}\phantom{}\ce{H}\phantom{..}\phantom{}\ce{H}\phantom{..}\phantom{}\ce{H}\phantom{}\\
\phantom{...}|\phantom{...}\phantom{}|\phantom{...}\phantom{.}|\phantom{...}\phantom{}|\phantom{...}\phantom{}|\phantom{...}\\
\ce{H-C-C-C-C-C-H}\\
\phantom{...}|\phantom{...}\phantom{}|\phantom{...}\phantom{.}|\phantom{...}\phantom{}|\phantom{...}\phantom{}|\phantom{...}\\
\phantom{}\ce{H}\phantom{..}\phantom{}\ce{H}\phantom{..}\phantom{}\ce{O}\phantom{..}\phantom{}\ce{H}\phantom{..}\phantom{}\ce{H}\phantom{}\\
\phantom{}\ce{H}
\end{array}\]

_______________

7.3Page 293

Give the IUPAC names of the follwing compound. The IUPAC names of the compounds on the left are to guide you into giving the correct names of the compounds on the right.

\[\begin{array}{cc}
\ce{H}\\
|\\
\ce{H-C-H}\\
\phantom{.}\ce{H}\phantom{...} \phantom{}|\phantom{...} \phantom{}\ce{H}\phantom{.}\\
\phantom{}|\phantom{....} \phantom{}|\phantom{....} \phantom{}|\phantom{}\\
\ce{H-C-C-C-H}\\
\phantom{}|\phantom{....} \phantom{}|\phantom{....} \phantom{}|\phantom{}\\
\phantom{.}\ce{H}\phantom{...} \phantom{}|\phantom{...} \phantom{}\ce{H}\phantom{.}\\
\ce{H-C-H}\\
|\\
\ce{H}
\end{array}\]

2, 2 - Dimethyl Propane

\[\begin{array}{cc}

\phantom{.}\ce{H}\phantom{...} \phantom{}\ce{H}\phantom{...} \phantom{}\ce{H}\phantom{.}\\
\phantom{}|\phantom{....} \phantom{}|\phantom{....} \phantom{}|\phantom{}\\
\ce{H-C-C-C-H}\\
\phantom{}|\phantom{....} \phantom{}|\phantom{....} \phantom{}|\phantom{}\\
\phantom{.}\ce{H}\phantom{...} \phantom{}|\phantom{...} \phantom{}\ce{H}\phantom{.}\\
\ce{H-C-H}\\
|\\
\ce{H}
\end{array}\]

 

_____________________

7.4Page 293

Give the IUPAC names of the follwing compound. The IUPAC names of the compounds on the left are to guide you into giving the correct names of the compounds on the right.

\[\begin{array}{cc}
\phantom{....}\ce{H}\phantom{..}\ce{H}\phantom{..}\ce{H}\\
\phantom{....}|\phantom{...} \phantom{.}|\phantom{...}||\\
\ce{H-C-C-C}\\
\phantom{....}|\phantom{...} \phantom{.}|\phantom{...}|\\
\phantom{......}\ce{H}\phantom{..}\ce{H}\phantom{..}\phantom{}\ce{OH}\phantom{}\\
\end{array}\]

Propanoic acid

 

\[\begin{array}{cc}
\phantom{.....}\ce{H}\phantom{...}\ce{O}\phantom{..}\\
\phantom{....}|\phantom{..} \phantom{..}\phantom{}||\\
\ce{H-C-C}\\
\phantom{....}|\phantom{...} \phantom{.}\phantom{}|\\
\phantom{.......}\ce{H}\phantom{...}\ce{OH}\phantom{..}\\
\end{array}\]

_____________________

7.5Page 293

Give the IUPAC names of the follwing compound. The IUPAC names of the compounds on the left are to guide you into giving the correct names of the compounds on the right.

\[\begin{array}{cc}
\phantom{........}\ce{H}\phantom{...}\ce{H}\phantom{........}\\
\phantom{....}|\phantom{...} \phantom{.}|\phantom{....}\\
\ce{H-C-C-H}\\
\phantom{....}|\phantom{...} \phantom{.}|\phantom{....}\\
\phantom{........}\ce{Br}\phantom{...}\ce{Br}\phantom{........}\\
\end{array}\]

1,2-dibromoethane

\[\begin{array}{cc}
\phantom{........}\ce{H}\phantom{...}\ce{H}\phantom{........}\\
\phantom{....}|\phantom{...} \phantom{.}|\phantom{....}\\
\ce{H-C-C-H}\\
\phantom{....}|\phantom{...} \phantom{.}|\phantom{....}\\
\phantom{........}\ce{Cl}\phantom{...}\ce{Cl}\phantom{........}\\
\end{array}\]

__________________

Exercise 5 [Page 294]

Frank solutions for केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी 9F Carboxylic Acids Exercise 5 [Page 294]

1Page 294

Copy and complete the following table, which relates to the three homologous series of hydrocarbons:

General formula CnH2n CnH2n-2 CnH2n+2
IUPAC name of the homologus series      
Characteristic bond type     Single bonds
IUPAC name of the first member of the series      
Type of reaction with chlorine   Addition  
2Page 294

Choose the correct answer:

The formation of 1,2 -dibromoethane from ethene and bromine is an example of

  • Substitution

  • Dehydration

  • Dehydrohalogenation

  • Addition

Exercise 6 [Page 295]

Frank solutions for केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी 9F Carboxylic Acids Exercise 6 [Page 295]

1.1Page 295

Name the organic compound prepared by each of the following reactions:

\[\ce{C2H5COONa + NaOH ->}\]

1.2Page 295

Name the organic compound prepared by each of the following reactions:

\[\ce{CH3I + 2H- ->}\]

1.3Page 295

Name the organic compound prepared by each of the following reactions:

\[\ce{C2H5Br + KOH (alcoholic solution) ->}\]

1.4Page 295

Name the organic compound prepared by each of the following reactions:

\[\ce{CaC2 + 2H2O ->}\]

2.1Page 295

Write the equation for the following reaction:

Bromoethane and an aqueous solution of hydroxide

2.2Page 295

Write the equation for the following reaction:

Calcium carbide and water

2.3Page 295

Write the equation for the following reaction:

Ethene and water(steam)

3.1Page 295

Distinguish between the saturated hydrocarbon ethane and the unsaturated hydrocarbon ethene by drawing their structural formulae.

3.2Page 295

Addition reactions and substitution reactions are types of organic reactions.Which type of reaction is shown by?

 Ethane

3.2Page 295

Addition reactions and substitution reactions are types of organic reactions.Which type of reaction is shown by?

 Ethene?

3.3Page 295

Write the chemical equation for the following:

Combustion of methane

3.3.i.Page 295

Using appropriate catalysts, ethane can be oxidized to an alcohol. Name the alcohol formed when ethane is oxidized.

3.3.ii.Page 295

Using appropriate catalysts, ethane can be oxidized to an aldehyde. Name the aldehyde formed when ethane is oxidized.

3.4Page 295

Why is pure acetic acid also known as glacial acetic acid?

3.4Page 295

What type of compound is formed by the reaction between acetic acid and an alcohol?

4.1Page 295

Choose the correct answer:

Which of the following statements is wrong about alkanes?

  • They are all saturated hydrocarbon

  • They can undergo addition as well as Substitution reaction.

  • Thry are almost non-polar in nature

  • On complete combustion give out carbon dioxide and water.

4.2Page 295

Choose the correct answer:

Select the acid which contains four hydrozen atoms in it.

  • Formic acid

  • Sulphuric acid

  • Nitric acid

  • Acitic acid

5Page 295

Write a fully balanced equation for the folowing case:

Acitic acid is warmed with ethanol in the presence of concentrated sulpheric acid.

6Page 295

Methane is the first member of alkane, when it is treated with excess of chlorine in the presence of diffused forms carbon tetrachloride. Draw the appropriate structural formula of carbon tetrachloride and state the type of bond present is it.

7.1Page 295

Give chemical equation for:

The laboratory preparation of methane from sodium acetate.

7.2Page 295

Give chemical equation for:

The reaction of one mole of ethene with one mole chlorine gas.

7.3Page 295

Give chemical equation for:

The preparation of ethyne from 1,2 - dibromoethane.

3.3.ii.Page 295

Using appropriate catalysts, ethane can be oxidized to an acid. Name the acid formed when ethane is oxidized.

Exercise 7 [Page 296]

Frank solutions for केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी 9F Carboxylic Acids Exercise 7 [Page 296]

1.1Page 296

State how the following conversions can be carried out:

Ethyl chloride to Ethyl alcohol

1.2Page 296

State how the following conversion can be carried out:

Ethyl chloride to Ethene.

1.3Page 296

State how the following conversions can be carried out:

Ethene to Ethyl alcohol.

1.4Page 296

State how the following conversions can be carried out:

Ethyl alcohol to Ethane

2.1Page 296

Define isomerism.

2.2Page 296

Give the IUPAC  name of the isomer C4H10 which has a branched chain.

Select the correct answer from the choices a, b, c, and d, which are given.

3.1Page 296

An organic compound undergoes addition reactions and gives a red colour precipitate with ammoniacal cuprous chloride. Therefore, the organic compound could be ______.

  • Ethane

  • Ethene

  • Ethyne 

  • Ethanol

3.2Page 296

The organic compound mixed with ethanol to make it spurious is ______.

  • Methanol

  • Methanoic acid

  • Methanal 

  • Ethanoic acid

4.1Page 296

Draw the structural formula for the following:

Ethanoic acid

4.2Page 296

Draw the structural formula for the following:

But-2-yne

5.1Page 296

Compound A is bubbled through bromine dissolved in carbon tetrachloride, and the product is CH2Br – CH2Br.
\[\ce{A ->[Br2/CCl4] CH2Br - CH2Br}\]

  1. Draw the structural formula of A.
  2. What type of reaction has A undergone?
  3. What is your observation?
  4. Name (not formula) the compound formed when steam reacts with A in the presence of phosphoric acid.
  5. What is the procedure for converting the product of (iv) back to A?
6.1Page 296

Give reason as to why :

 Almost 90% of all known compounds are organic in nature

6.2Page 296

Give reason as to why :

 It is dangerous to burn methane in an insufficient supply of air.

Choose the correct answer from the options given below:

7.1Page 296

The number of C-H bonds in an ethane molecule is ______.

  • Four

  • Six

  • Eight

  • Ten

7.2Page 296

The functional group present in acetic acid is ______.

  • Ketonic \[\begin{array}{cc}
    \backslash\phantom{.......}\\
    \ce{C = O}\\
    /\phantom{.......}\\
    \end{array}\]

  • Hydroxyl (–OH)

  • Aldehydic (–CHO)

  •  Carboxyl (–COOH)

7.3Page 296

The unsaturated hydrocarbons undergo ______.

  • a substitution reaction

  • an oxidation reaction

  • an addition reaction

  • none of the above

  • redox reaction

8.1Page 296

The catalyst used for the conversion of ethane to ethane is commonly ______.

  • nickel

  • iron

  • cobalt

8.2Page 296

When acetaldehyde is oxidized with acidified potassium dichromate, it forms ______.

  • ester

  • ethanol

  • acetic acid

8.3Page 296

Ethanoic acid reacts with ethanol in the presence of concentrated H2SO4, so as to form a compound and water. The chemical reaction which takes place is called ______.

  • dehydration

  • hydrogenation

  • esterification

8.4Page 296

Write the equation for the reaction taking place between 1, 2-dibromoethane and alcoholic potassium hydroxide.

8.5Page 296

The product formed when ethene gas reacts with water in the presence of sulphuric acid is ______.

  • ethanal

  • ethanol

  • ethanoic acid

Exercise 8 [Page 297]

Frank solutions for केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी 9F Carboxylic Acids Exercise 8 [Page 297]

1.1Page 297

Write a balanced chemical equation for the following:

Monochloroethane is hydrolysed with aqueous KOH.

1.2Page 297

Write a balanced chemical equation for the following:

A mixture of sodalime and sodium acetate is heated.

1.3Page 297

Write a balanced chemical equation for the following:

Ethanol under high pressure and low temperature is treated with acidified potassium dichoromate.

1.4Page 297

Write a balanced chemical equation for the following:

Water is added to calcium carbide.

1.5Page 297

Write a balanced chemical equation for the following:

Ethanol reacts with sodium at room temperature.

2.1Page 297

Give the structural formulae for the following:

An isomer of n-butane.

2.2Page 297

Give the structural formulae for the following:

2-propanol

2.3Page 297

Give the structural formula for the following :

 Diethyl ether

3.1Page 297

Give reason for the following :

Methane does not undergo addition reaction, but ethane does

3.2Page 297

Give reason for the following :

Ethyne is more reactive than ethane

3.3Page 297

Give reason for the following :

Hydrocarbons are excellent fuels

4.1Page 297

Give balanced equation for the laboratory preparations of the following organic compound:

A saturated hydrocarbon from iodomethene

4.2Page 297

Give balanced equation for the laboratory preparations of the following organic compound:

An unsaturated hydrocarbon from an alcohol

4.3Page 297

Give balanced equation for the laboratory preparations of the following organic compound:

An unsaturated hydrocarbon from calcium carbide

4.4Page 297

Give balanced equation for the laboratory preparations of the following organic compound:

An alcohol from ethyl bromide

5Page 297

Identify the statement that is incorrect about alkanes.

  • They are hydrocarbons.

  • There is a single covalent bond between carbon and hydrogen.

  • They can undergo both substitution as well as addition reactions.

  • On complete combustion they produce carbon dioxide and water.

6.1Page 297

Identify the gas evolved when sodium propionate is heated with sodalime

6.2Page 297

Give a chemical term for a reaction in which hydrogen of a alkane is replaced by a halogen

7Page 297

Give a chemical test to distinguish between ethane gas and ethane gas.

8.1Page 297

Give balanced equation for the laboratory preparations of the following organic compound:

A saturated hydrocarbon from iodomethene

8.2Page 297

Give balanced equation for the laboratory preparations of the following organic compound:

An unsaturated hydrocarbon from an alcohol

8.3Page 297

Give balanced equation for the laboratory preparations of the following organic compound:

An unsaturated hydrocarbon from calcium carbide

8.4Page 297

Give balanced equation for the laboratory preparations of the following organic compound:

An alcohol from ethyl bromide

Exercise 9 [Page 298]

Frank solutions for केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी 9F Carboxylic Acids Exercise 9 [Page 298]

1.1Page 298

Give the structural formula of the following:

Ethanol

1.2Page 298

Give the structural formula of the following:

1-propanal

1.3Page 298

Give the structural formula of the following:

Ethanoic acid

1.4Page 298

Give the structural formula of the following:

1,2,dichlormethene

2Page 298

The IUPAC name of acetylene is ______.

  • Propane

  • Propyne

  • Ethane

  • Ethyne

3.1Page 298

Write the IUPAC names for the following :

\[\begin{array}{cc}
\phantom{.}\ce{H}\phantom{..}\ce{H}\phantom{..}\ce{H}\\
\phantom{....}|\phantom{...}|\phantom{...}|\phantom{....}\\
\ce{H-C≡C-C-H}\\
\phantom{........}\phantom{...}\phantom{.}|\phantom{....}\\
\phantom{.............}\ce{}\phantom{...}\ce{H}\phantom{........}\\
\end{array}\]

3.2Page 298

Write the IUPAC names for the following :

\[\begin{array}{cc}
\phantom{.........}\ce{H}\phantom{........}\ce{H}\phantom{........}\\
\phantom{.....}|\phantom{.........} \phantom{.}|\phantom{....}\\
\ce{H-C-C≡C-C-H}\\
\phantom{.....}|\phantom{.........} \phantom{.}|\phantom{....}\\
\phantom{.........}\ce{H}\phantom{........}\ce{H}\phantom{........}\\
\end{array}\]

3.3Page 298

Write the IUPAC names for the following :

\[\begin{array}{cc}
\phantom{........}\ce{H}\phantom{...}\ce{H}\phantom{........}\\
\phantom{...}|\phantom{...} \phantom{.}|\phantom{....}\\
\ce{H - C - C = O}\\
\phantom{...}|\phantom{...}\phantom{.}\phantom{....}\\
\phantom{......}\ce{H}\phantom{...}\ce{}\phantom{........}\\
\end{array}\]

4.1Page 298

Using the structural formula, identify the functional group by circling it:

Dimethyl ether

4.2Page 298

Using the structural formula, identify the functional group by circling it:

Propanone 

5Page 298

Identify the statement which does not describe the property of alkenes:

 

  • They are unsaturated hydrocarbons

  •  They decolourise bromine water

  •  They can undergo addition as well as substitution reactions

  • They undergo combustion with oxygen forming carbon dioxide and water.

6Page 298

State the observation

When the gaseous product obtained by dehydration of ethyl alcohol is passed through bromine water.

7.1Page 298

Name the following:

Process by which ethane is obtained from ethene.

7.2Page 298

Name the following:

A hydrocarbon which contributes towards the greenhouse effect.

7.3Page 298

Name the following:

Distinctive reaction that takes place when ethanol is treated with acetic acid.

7.4Page 298

Name the following:

The property of elements by virtue of which atoms of the element can link to each other in the form of a long chain or ring structure.

8.1Page 298

Give balanced chemical equations for the following conversion :

Ethanoic acid to ethyl ethanote

8.2Page 298

Give a balanced chemical equation for the following conversion:

Calcium carbide to ethyne.

8.3Page 298

Give a balanced chemical equation for the following conversion:

Sodium ethanoate to methane.

Exercise 10 [Page 299]

Frank solutions for केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी 9F Carboxylic Acids Exercise 10 [Page 299]

1.1Page 299

Give the structural formulae of the following:

2-methyl propane

1.2Page 299

Give the structural formulae of the following :

Ethanoic acid

1.3Page 299

Give the structural formulae of the following :

Butna-2ol

2.1Page 299

Equation for that reaction when compound A is bubbled through bromine dissolved in carbon trtrachloride is as follows :
DIAGRAM

Draw the structure of A.

2.2Page 299

Equation for that reaction when compound A is bubbled through bromine dissolved in carbon trtrachloride is as follows :
DIAGRAM

State your observation during this reaction

3.1Page 299

Write a balanced chemical equation for the following:

Burning of ethane in plentiful supply for air.

3.2Page 299

Write a balanced chemical equation for the following:

Action of water on calcium carbide

3.3Page 299

Write a balanced chemical equation for the following:

Heating of ethanol at 170oC in the presence of conc. Sulphuric acid

4Page 299

Choose the correct answer from the options given below :

If the molecular formula of an organic compouns is C10H18 it is

  •  Alkene 

  • Alkane 

  • Alkyne

  •  Not a hydrocarbon

5Page 299

Fill in the blank.

The compound formed when ethane reacts with hydrogen is _________ (CH4,C2H6,C3H6).

6Page 299

Identify the underlined substance.

An organic compound containing -COOH functional group.

7Page 299

State are relevant observations for following reactant:

Addition of ethyl alcohol to acetic acid in presence of conc. H2SO4

8.1Page 299

Draw the structural formula for the following:

2, 3-dimethyl butane

8.2Page 299

Draw the structural formula for the following:

Diethyl ether

8.3Page 299

Draw the structural formula for the following :

propanoic acid

9.1Page 299

Identify the term or substance based on the descriptions given below:

Ice like crystals formed on cooling an organic acid sufficiently.

9.2Page 299

Identify the term or substance based on the descriptions given below:

 Hydrocarbon containing a triple bond used for welding purposes

9.3Page 299

Identify the term or substance based on the descriptions given below:

The property by virtue of which the compound has the same molecular formula but different structural formulae.

9.4Page 299

Identify the term or substance based on the descriptions given below:

The compound formed where two alkyl are linked by group

\[\begin{array}{cc}
\ce{O}\\
\ce{-||-}\\
\ce{C}
\end{array}\]

10.1Page 299

Give a balanced chemical equation for the following :

Preparation of ethane from sodium propionate

10.2Page 299

Give a balanced chemical equation for the following :

Action of alcoholic KOH on bromoethane

Solutions for 9F: Carboxylic Acids

Exercise 1Exercise 2Exercise 3Exercise 4Exercise 5Exercise 6Exercise 7Exercise 8Exercise 9Exercise 10
Frank solutions for केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी chapter 9F - Carboxylic Acids - Shaalaa.com

Frank solutions for केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी chapter 9F - Carboxylic Acids

Shaalaa.com has the CISCE Mathematics केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी CISCE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Frank solutions for Mathematics केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी CISCE 9F (Carboxylic Acids) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.

Further, we at Shaalaa.com provide such solutions so students can prepare for written exams. Frank textbook solutions can be a core help for self-study and provide excellent self-help guidance for students.

Concepts covered in केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी chapter 9F Carboxylic Acids are Carboxylic Acids, Ethanoic Acid, Physical Properties of Ethanoic Acid, Chemical Properties of Ethanoic Acid, Test of Ethanoic Acid, Uses of Ethanoic Acid.

Using Frank केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी solutions Carboxylic Acids exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Frank Solutions are essential questions that can be asked in the final exam. Maximum CISCE केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी students prefer Frank Textbook Solutions to score more in exams.

Get the free view of Chapter 9F, Carboxylic Acids केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी additional questions for Mathematics केमिस्ट्री पार्ट २ [इंग्रजी] इयत्ता १० आयएससी CISCE, and you can use Shaalaa.com to keep it handy for your exam preparation.

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