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Question

Question: Secondary amines can be prepared by....

Secondary amines can be prepared by.

A

Reduction of nitro compounds.

B

Reduction of amides.

C

Reduction of isonitriles

D

Rduction of nitriles.

Answer

Reduction of isonitriles

Explanation

Solution

: RN=C→4HRNHCH3RN = C\overset{\quad 4H\quad}{\rightarrow}RNHCH_{3}

Other compound give primary amines

RNO2→6HRNH2+2H2ORCONH2→4HRCH2NH2+2H2ORNO_{2}\overset{\quad 6H\quad}{\rightarrow}RNH_{2} + 2H_{2}ORCONH_{2}\overset{\quad 4H\quad}{\rightarrow}RCH_{2}NH_{2} + 2H_{2}O

RCN→4HRCH2NH2RCN\overset{\quad 4H\quad}{\rightarrow}RCH_{2}NH_{2}