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प्रश्न
Write the important uses of acetic acid.
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उत्तर
Uses of acetic acid:
- As a solvent for gums, resin, cellulose atc
- As a laboratory reagent
- In medicines
- As a vinegar for table purpose and for manufacturing pickles
- For making rubber, rayon, plastic, varnishes atc.
- For the manufacture of dyes, perfumes, pigments.
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संबंधित प्रश्न
When you add about 2 ml of acetic acid to a test tube containing an equal amount of distilled water and leave the test tube to settle after shaking its contents, what will you observe in the test tube after about 5 minutes?
(A) A white precipitate settling at its bottom
(B) A clear colourless solution
(C) A layer of water over the layer of acetic acid
(D) A layer of acetic acid over the layer of water
Give the common name and IUPAC name of C2H5OH.
What is the common name of methanol?
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
Give reason for the following :
Ethyne is more reactive than ethane
Write the molecular formula of the given compound.
Ethanoic acid
Ester is a sweet-smelling compound.
Write the answers to the questions by observing the following figure.
- Write the chemical reaction shown in the figure above in the form of a balanced equation.
- Write the name of the gas coming out of the large test tube in the above chemical reaction.
- Why do small bubbles appear in the small test tube?
- What is the change in colour of lime water?
Ethanoic acid reacts with the basic salt, sodium carbonate, to form a salt, named ______, water and carbon dioxide gas.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
