Base hydrolysis of an ester with NaOH gives a carboxylic acid whose sodium salt on Kolbe's electrolysis yields ethane. The ester is

ethyl methanoate

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methyl ethanoate

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phenyl benzoate

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ethyl propanoate

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Solution

The correct option is A ethyl methanoate
Kolbe's electrolysis involves the electrochemical decarboxylation which results in radical intermediate.
Two such intermediates form covalent bond and form product and yield carbon dioxide.
So, the correct option is 'ethyl methanoate'.

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Similar questions

Choose the statement which best describe ester :

Statement 1: Ester is formed due to the reaction between ethanol and Ethanoic acid.

Statement 2: Esters are sweet smelling substances.

Statement 3: Ester are formed due to the reaction between an acid and a carboxylic acid.

Statement 4: On treating with sodium hydroxide, ester is converted back to alcohol and sodium salt of carboxylic acid.

Statement 5: Preparation of soap involves treating sodium hydroxide with ester.

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