Aldehydes or ketones when treated with C6H5 - NH - NH2, the product formed is

Question

Aldehydes or ketones when treated with C6H5 - NH - NH2, the product formed is (A) semicarbazone (B) phenylhydrazone (C) hydrazone (D) oxime

Tardigrade Admin · Accepted Answer

Aldehydes or ketones when treated with phenyl hydrazine,

C_{6} H_{5} - N H - N H_{2}

, the product is phenylhydrazone.
For example, acetaldehyde gives the following reaction.

C_{6} H_{5} - N H - N H_{2} + C H_{3} C H O \to C_{6} H_{5} - N H - N = C H - C H_{3}

Q. Aldehydes or ketones when treated with C6​H5​−NH−NH2​, the product formed is