A carboxylic acid can be converted to its methyl ester by which of the following method?

C H_{2} N_{2}

, ether

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C H_{3} O H / (c a r)

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C H_{3} I, K_{2} C O_{3}, a c e t o n e

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All of these

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Solution

The correct option is A $C H_{2} N_{2}$ , ether
Carboxylic acids react with diazomethane to produce methyl esters. Because of the high reactivity of diazomethane, it is produced in-situ and then immediately reacted with the carboxylic acid to produce the methyl ester.
Option A is correct.

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Similar questions

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

(-) -

(+) -

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?

C H_{3} O H, C H_{3} C O O H, C H_{3} C H O, C H_{3} C O C H_{3}

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