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प्रश्न
Identify the term or substance based on the descriptions given below
Ice like crystals formed on cooling an organic acid sufficiently.
उत्तर
Glacial acetic acid
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संबंधित प्रश्न
Consider the following comments about saponification reactions:
I. Heat is evolved in these reactions.
II. For quick precipitation of soap, sodium chloride is added to the reaction mixtures.
III. Saponification reactions are a special kind of neutralisation reactions.
IV. Soaps are basic salts of long-chain fatty acids.
The correct comments are
(a) I, II and III
(b) II, III and IV
(c) I, II and IV
(d) Only I and IV
When zinc powder is added to acetic acid ______________
(a) the mixture becomes warm
(b) a gas is evolved
(c) the colour of the mixture becomes yellow
(d) a solid settles at the bottom
Why is the conversion of ethanol into ethanoic acid an oxidation reaction?
How would you distinguish between ethanol and ethanoic acid by chemical test?
Write the names of three compounds which can be oxidised directly or in stages to produce acetic acid.
Complete:
The next higher homologue of ethanoic acid is ______.
Why is pure acetic acid also known as glacial acetic acid?
Ethanoic acid _________.
With a labelled diagram describe in brief an activity to show the formation of ester.
Ester is formed by the reaction between ______.
