A) hydrazones
B) aniline
C) nitrobenzene
D) None of these
Correct Answer: A
Solution :
Aldehydes and ketones with \[N{{H}_{2}}.N{{H}_{2}}\]forms hydrazones. \[RCHO+{{H}_{2}}N.N{{H}_{2}}\to \underset{ald.\,\,hydrazone}{\mathop{RCH=N.N{{H}_{2}}}}\,+{{H}_{2}}O\] \[{{R}_{2}}CO+{{H}_{2}}N.N{{H}_{2}}\to {{R}_{2}}C=N.N{{H}_{2}}+{{H}_{2}}O\]
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