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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
A student puts a drop of reaction mixture of a saponification reaction first a blue litmus paper and then on a red litmus paper. He may observe that:
(a) There is no change in the blue litmus paper and the red litmus paper turns white.
(b) There is no change in the red litmus paper and the blue litmus paper turns red.
(c) There is no change in the blue litmus paper and the red litmus paper turns blue.
(d) No change in colour is observed in both the litmus papers
What are esters ?
Give the name and structural formula of one homologue of HCOOH.
Give any two uses of ethanoic acid.
What is glacial acetic acid?
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
With a labelled diagram describe in brief an activity to show the formation of ester.
What are catalysts?
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
