List two tests for experimentally distinguishing between an alcohol and a carboxylic ' acid and describe how these tests are performed. 3(All India - 2015)
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Explanation:
1. we can distinguish it by reacting with H2CO3 (test of acid)
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Answer:
Explained below
Explanation:
(1) An aqueous solution of carboxylic acid, brisk effervescence is observed when addition of bicarbonates or carbonates.
Metal carbonates/Bicarbonates + Carboxylic acid → Salt + Water + Carbon dioxide
Alcohol does not give this test.
(2) On addition of sodium metal to alcohol, hydrogen gas is evolved.
Example:
2CH3CH2OH + 2Na → 2CH3CH2ONa + H2
Carboxylic acid does not give this test.
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