Aldehyde with `NH_(2)NH_(2)` forms

Options

A. hydrazones
B. aniline
C. nitrobenzene
D. None of these

Answer

A

Explanation

Aldehydes and ketones on reaction with `NH_(2)*NH_(2)` forms hydrazones.
`RCHO+H_(2)N*NH_(2) to R underset("Hydrazone")(CH=N*NH_(2)+H_(2)O)`
`RCO_(2)+H_(2)N*NH_(2) to R_(2) underset("Hydrazone")(CH=N*NH_(2)+H_(2)O)`