Frank solutions for केमिस्ट्री पार्ट २ अंग्रेजी] कक्षा १० आईएससी chapter 9F - Carboxylic Acids [Latest edition]

Compounds having the same molecular formula but different properties are called

The first organic compound prepared by Wohler in the laboratory was

Soda-lime is a mixture of

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

LPG contains

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

Ethene reacts with 1% cold alkaline KMnO₄ to give

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

Vinegar is ______.

Hydocarbons are ______.

Assertion (A): The chemical reactions of organic compounds are slow.

Reason (R): In organic compounds, ions formation takes place slowly.

Assertion (A): Butane and 2-methyl butane are homologues.

Reason (R): Butane is a straight chain alkene while 2-methyl butane is a branched chain alkene.

Assertion (A): Vapour density is the same thing as the density.

Reason (R): Molecular weight is twice the density.

Assertion (A): Methane is lighter than air.

Reason (R): Vapour density of methane is 8 and that of air is 14.4.

Assertion (A): CH₃COOH and CH₃CH₂OH have same functional group.

Reason (R): Both are organic acids.

Assertion (A): Alkanes do not undergo addition reactions.

Reason (R): Addition reactions takes place due to the presence of double or triple bond.

Assertion (A): Reaction of H₂O to acetylene in presence of H₂SO₄ and HgSO₄ gives acetaldehyde.

Reason (R): It is an example of addition reaction.

Assertion (A): Methanol has lower boiling point than ethyl ethanol.

Reason (R): Boiling point increases with increases of molecular weight.

Assertion (A): Vegetable oils undergo addition reactions.

Reason (R): Vegetables oils are saturated compounds.

Assertion (A): Pure acetic acid forms an ice-like solid when cooled.

Reason (R): It is known as dry ice.

Assertion (A): Ethyl alcohol and methyl alcohol are soluble in water.

Reason (R): Both are covalent compounds.

Assertion (A): Acetic acid becomes sour as a result of fermentation.

Reason (R): Vinegar is 4 to 6 percent acetic acid.

Assertion (A): LPG and CNG are used as a pollution free household fuel.

Reason (R): Constituents of LPG and CNG are same.

Fill in the blank with appropriate word/words.

Vinegar is a solution of about ________per cent ________in water.

Fill in the blank with appropriate word/words.

The general formula for alkene and alkyne are _____ and______respectively

Fill in the blank with appropriate word/words.

The catalyst used for hydrogen of vegetable oil is ___________

Fill in the blank with appropriate word/words.

For artificial ripening of fruits _________is used.

Fill in the blank with appropriate word/words.

Bayer's reagent is _________

Fill in the blank with appropriate word/words.

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

Fill in the blank with appropriate word/words.

Denatured alcohol is a mixture of _____ and _______

Fill in the blank with appropriate word/words.

For test of unsaturation _____is used.

Fill in the blank with appropriate word/words.

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

Two isomers of the compound having molecular formula C₃H₆O are ______ and ______.

Name the organic compound prepared by the following reaction:

\[\ce{C2H5OH + CH3COOH <=>[\Delta][conc{.} H2SO4]}\]

Name the organic compound prepared by the following reaction:

\[\ce{C2H2 ->[Cl2] (A) ->[Cl2] (B)}\]

Name the organic compound prepared by the following reaction:

\[\ce{C2H6 ->[O2][Cu]}\]

Name the organic compound prepared by the following reaction:

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

Write the molecular formula of the given compound.

Ethanoic acid

Draw the structural formula for the following:

Ethanoic acid

What is vinegar?

What is glacial acetic acid?

Write the important uses of acetic acid.

What is the main constituent of vinegar?

What is the action of acetic acid with litmus paper?

What is thr boilng point of acetic acid?

Define glacial acetic acid?

Name the first four members of alphatic carboxylic acid.

How will you carry out the following conversions?

Ethene to acetic acid

How Will You Carry Out the Following Conversions?

Ehane to acitic acid

1. For each of the compounds: (î) ethane (ii) vinegar and (iii) marsh gas, draw the relevant structural formula.
2. What word is used to describe these three compounds taken together?

1. What is the special feature of the structure of:
   1. C₂H₂?
   2. C₂H₄?
2. What type of reaction is common to both of these compounds?

Give the name and structural formula of:

A saturated Hydrocrbon

Give the name and strusctural formula of:

Ansaturated hydrocarbon with a double bond.

Copy and complete the following sentence:

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

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

What is the special feature of the structure of Ethyne?

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

Name the addition product formed between ethane and water.

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

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

Addition, Carbohydrates, CnH_2n-2, CnH_2n+2, electrochemical, homologus, hydrocarbons, saturated, substitution, unsaturated.

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

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 ______.

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 ______.

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 ______.

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 ______.

What type of reaction takes place between ethane and chlorine to form monochloroethane?

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

(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?

The list of some organic compounds is given below:

ethanol, ethane, methane, ethyne, and ethene

From the above list, name a compound:

1. formed by the dehydration of ethanol by concentrated sulphuric acid.
2. which forms methanoic acid on oxidation in the presence of copper at 200°C.
3. which has vapour density 14 and turns acidic potassium permanganate colourless.
4. which forms chloroform on halogenation in the presence of sunlight.
5. which decolourises bromine solution in carbon tetrachloride.

Write balanced equations to show the preparation of the following:

Ethane from sodium propionate

Write balanced equations to show the preparation of the following:

Ethene from ethanol

Write balanced equations to show the preparation of the following:

Ethyne from calcium carbide.

Write balanced equations to show the preparation of the following:

Ethanoic acid from ethane

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

Write the equation for the reaction involved in which compound should be heated with soda lime to obtain ethane gas in the laboratory.

Write the balanced equation for the complete combustion of ethane.

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

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

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

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

Write a balanced equation for the following:

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

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.

Write balanced euation for the following :

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

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

An alkane with a carbon to carbon single bond.

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

An alcohol containing two carbon atoms.

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

An unsaturated hydrocarbon with carbon to carbon triple bond.

Ethane, Ethene, Ethanoic acid, Ethyne, Ethanol

From the compounds given above, name:

1. The compound with –OH as a part of its structure.
2. The compound with –COOH as a part of its structure.
3. Homologue of homologous series with general formula C_nH_2n.

Write the equation of the following laboratory preparation:

Ethane from sodium propionate.

Write the equation of the following laboratory preparation: 

Ethene from iodoethane.

Write the equation of the following laboratory preparations:

Ethyne from calcium carbide.

Define the term catenation.

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

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

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

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

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

Draw the structural formula of ethyne.

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

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.

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.

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.

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.

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.

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.

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

Choose the correct answer:

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

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

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

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

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

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

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

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

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

Write the equation for the following reaction:

Bromoethane and an aqueous solution of hydroxide

Write the equation for the following reaction:

Calcium carbide and water

Write the equation for the following reaction:

Ethene and water(steam)

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

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

 Ethane

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

 Ethene?

Write the chemical equation for the following:

Combustion of methane

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

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

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

Choose the correct answer:

Which of the following statements is wrong about alkanes?

Choose the correct answer:

Select the acid which contains four hydrozen atoms in it.

Write a fully balanced equation for the folowing case:

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

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.

Give chemical equation for:

The laboratory preparation of methane from sodium acetate.

Give chemical equation for:

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

Give chemical equation for:

The preparation of ethyne from 1,2 - dibromoethane.

State how the following conversions can be carried out:

Ethyl chloride to Ethyl alcohol

State how the following conversion can be carried out:

Ethyl chloride to Ethene.

State how the following conversions can be carried out:

Ethene to Ethyl alcohol.

State how the following conversions can be carried out:

Ethyl alcohol to Ethane

Define isomerism.

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

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

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

Draw the structural formula for the following:

Ethanoic acid

Draw the structural formula for the following:

But-2-yne

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?

Give reason as to why :

 Almost 90% of all known compounds are organic in nature

Give reason as to why :

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

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

The functional group present in acetic acid is ______.

The unsaturated hydrocarbons undergo ______.

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

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

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 ______.

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

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

Write a balanced chemical equation for the following:

Monochloroethane is hydrolysed with aqueous KOH.

Write a balanced chemical equation for the following:

A mixture of sodalime and sodium acetate is heated.

Write a balanced chemical equation for the following:

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

Write a balanced chemical equation for the following:

Water is added to calcium carbide.

Write a balanced chemical equation for the following:

Ethanol reacts with sodium at room temperature.

Give the structural formulae for the following:

An isomer of n-butane.

Give the structural formulae for the following:

2-propanol

Give the structural formula for the following :

 Diethyl ether

Give reason for the following :

Methane does not undergo addition reaction, but ethane does

Give reason for the following :

Ethyne is more reactive than ethane

Give reason for the following :

Hydrocarbons are excellent fuels

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

A saturated hydrocarbon from iodomethane

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

An unsaturated hydrocarbon from an alcohol

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

An unsaturated hydrocarbon from calcium carbide

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

An alcohol from ethyl bromide

Identify the statement that is incorrect about alkanes.

Identify the gas evolved when sodium propionate is heated with sodalime

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

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

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

A saturated hydrocarbon from iodomethane

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

An unsaturated hydrocarbon from an alcohol

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

An unsaturated hydrocarbon from calcium carbide

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

An alcohol from ethyl bromide

Give the structural formula of the following:

Ethanol

Give the structural formula of the following:

1-propanal

Give the structural formula of the following:

Ethanoic acid

Give the structural formula of the following:

1,2,dichlormethene

The IUPAC name of acetylene is ______.

Write the IUPAC names for the following :

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

Write the IUPAC names for the following :

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

Write the IUPAC names for the following :

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

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

Dimethyl ether

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

Propanone 

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

State the observation

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

Name the following:

Process by which ethane is obtained from ethene.

Name the following:

A hydrocarbon which contributes towards the greenhouse effect.

Name the following:

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

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.

Give balanced chemical equations for the following conversion :

Ethanoic acid to ethyl ethanote

Give a balanced chemical equation for the following conversion:

Calcium carbide to ethyne.

Give a balanced chemical equation for the following conversion:

Sodium ethanoate to methane.

Give the structural formulae of the following:

2-methyl propane

Give the structural formulae of the following :

Ethanoic acid

Give the structural formulae of the following :

Butna-2ol

Write a balanced chemical equation for the following:

Burning of ethane in plentiful supply for air.

Write a balanced chemical equation for the following:

Action of water on calcium carbide

Write a balanced chemical equation for the following:

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

Choose the correct answer from the options given below :

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

Fill in the blank.

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

Identify the underlined substance.

An organic compound containing -COOH functional group.

State are relevant observations for following reactant:

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

Draw the structural formula for the following:

2, 3-dimethyl butane

Draw the structural formula for the following:

Diethyl ether

Draw the structural formula for the following :

propanoic acid

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

Ice like crystals formed on cooling an organic acid sufficiently.

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

 Hydrocarbon containing a triple bond used for welding purposes

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.

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

The compound formed where two alkyl are linked by group

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

Give a balanced chemical equation for the following :

Preparation of ethane from sodium propionate

Give a balanced chemical equation for the following :

Action of alcoholic KOH on bromoethane

The organic compound which undergoes substitution reaction is ______.

Give one word/a phase/term/process for the following statement:

The tendency of an element to form chains of identical atoms.

Give the IUPAC name of the following:

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

Give the IUPAC name of the following:

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

Write the IUPAC name of the following:

\[\begin{array}{cc}
\ce{H}\phantom{...}\ce{H}\\
|\phantom{....}|\\
\ce{H3C - C = C - CH3}\\
\end{array}\]

Draw the structural formulae of the two isomers of Butane. Give the correct IUPAC name of each of the isomers.

Name the gas that is produced in the given case:

The reaction of ethanol and sodium.

Complete the following table which relates to the homologous series of hydrocarbons.

A compound X (having vinegar like smell) when treated with ethanol in the presence of the acid Z, gives a compound Y which has a fruity smell.

The reaction is: \[\ce{C2H5OH + X ->[Z] Y + H2O}\]

1. Identify Y and Z.
2. Write the structural formula of X.
3. Name the above reaction.

Give the structural formula of Acetic acid.

Name the following organic compound:

The compound that reacts with acetic acid to form ethyl ethanoate.

Identify the substance underlined:

The organic compound which when solidified, forms an ice like mass.

Give one word or a phrase for the following statement.

The reaction in which carboxylic acid reacts with alcohol in the presence of conc. H₂SO₄ to form a substance having a fruity smell.