A compound X is added to ester after which ester is converted back to alcohol and a compound which is a salt of A and carboxylic acid. Identify X

HCl

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NaCl

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NaOH

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None of these.

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Solution

The correct option is C
NaOH

On treating with sodium hydroxide which is an alkali, the ester is converted back to alcohol and sodium salt of carboxylic acid. This reaction is known as saponification because it is used in the preparation of soap.

E.g.

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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.

Which of the following reacts with alcohols to form esters besides carboxylic acids?

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