मराठी

(C) What is the Physical State of Ch3cooh?

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प्रश्न

What is the physical state of CH3COOH?

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उत्तर

CH3COOH is physically found in its liquid state.

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पाठ 4: Carbon And Its Compounds - Exercise 3 [पृष्ठ २६३]

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लखमीर सिंह Chemistry [English] Class 10
पाठ 4 Carbon And Its Compounds
Exercise 3 | Q 32.3 | पृष्ठ २६३

व्हिडिओ ट्यूटोरियलVIEW ALL [2]

संबंधित प्रश्‍न

Write three different chemical reactions showing the conversion of ethanoic acid to sodium ethanoate. Write balanced chemical equation in each case. Write the name of the reactants and the products other ethanoic acid and sodium ethanoate in each case.


How esters are prepared ?


A gas is liberated immediately with a brisk effervescence, when you add acetic acid to sodium hydrogen carbonate powder in a test tube. Name the gas and describe the test that confirms the identity of the gas. 


Fill in the blanks from the choices given within brackets:

The basicity of acetic acid is-------- (3, 1, 4).


Choose those compounds from the following which can turn blue litmus solution red:
HCHO, CH3COOH, CH3OH, C2H5OH, HCOOH, CH3CHO
Give reasons for your choice.


Name two oxidising agents which can oxidise ethanol to ethanoic acid.


Which of the following molecular formula corresponds to ethylbutanoate ester?
(a) C5H10O2
(b) C6H12O2
(c) C7H14O2
(d) C8H16O2


Consider the following organic compound:
CH3OH, C2H5OH, CH3COCH3, CH3COOH, C2H5COOH, C4H9COOC2H5, CH4, C2H6, CH3CHO, HCHO
Out of these compound:

Which compound is most likely to be sweet-smelling?


Give the structural formulae of acetic acid.


What do you notice when acetic acid reacts with litmus?


A student is studying the properties of acetic acid in his school laboratory. List two physical and two chemical properties which he must observe and note in his record book.


While studying saponification reactions, the following comments were noted down by the students :
(I) Soap is a salt of fatty acids.
(II) The reaction mixture is basic in nature.
(III) In this reaction heat is absorbed.
(IV) This reaction is not a neutralisation reaction.
Which of these are the correct comments ?
(A) I and III only
(B) I, II and III
(C) II, III and IV
(D) I and II only


A student takes 2 mL acetic acid in a dry test tube and adds a pinch of sodium hydrogen carbonate to it. He makes the following observations:

I. A colourless and odourless gas evolves with a brisk effervescence.

II. The gas turns lime water milky when passed through it.

III. The gas burns with an explosion when a burning splinter is brought near it.

IV. The gas extinguishes the burning splinter that is brought near it.

The correct observations are:

(A) I, II, and III

(B) II, III and IV

(C) III, IV and I

(D) IV, I and II


State how the following conversion can be carried out:

Ethyl chloride to Ethene.


Ester is a sweet-smelling compound.


Explain the following reaction with an example.

Esterification


Observe the figure and write the answers to the following questions.

  1. Write the name of the reaction shown in the following figure.
  2. Write the above chemical reaction in the form of a balanced equation.
  3. Write the name of the product produced in the above reaction, write a use.
  4. Write the name of the catalyst used in the above reaction.

Give the balanced chemical equation of the following reaction:

Neutralization of NaOH with ethanoic acid.


Give the balanced chemical equation of the following reaction:

Neutralization of NaOH with ethanoic acid.


Give the balanced chemical equation of the following reaction: 

Neutralization of NaOH with ethanoic acid.


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