A).Treatment of a carboxylic acid with ....................... affords an acid c

Question

A).Treatment of a carboxylic acid with ....................... affords an acid chloride.B) ................ of a carboxylic acid occurs in the presence of acid but not in the presence of base.C)Intramolecular esterification is known as ...............whereas intramolecular amidation is known as ........... D)Dicyclohexylcarbodimide (DCC) is a ................agent. .................. are the ............. reactive of the carboxylic acid derivatives.E) Nitriles are prepared by ................ reactions of unhindered methyl and 1° alkyl halides with CN. F)The taumeric form of amide is known as .........acid. The taumeric form of amide is known as ________acid.

Explanation / Answer

A).Treatment of a carboxylic acid with thionyl chloride (SOCl2) affords an acid chloride.

B) Esterification of a carboxylic acid occurs in the presence of acid but not in the presence of base.

C) Intramolecular esterification is known as lactonization whereas intramolecular amidation is known as Lactamization

D) Dicyclohexylcarbodimide (DCC) is a coupling agent. Acylhalides are the most reactive of the carboxylic acid derivatives.

E) Nitriles are prepared by nucleophilic substitution reactions of unhindered methyl and 1° alkyl halides with CN.

F)The taumeric form of amide is known as imidic acid.

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