MCQ
Which of the following will form two isomers with semi carbazide
  • Benzaldehyde
  • B
    Acetone
  • C
    Benzoquinone
  • D
    Benzophenone

Answer

Correct option: A.
Benzaldehyde
a
(a) ${C_6}{H_5}CH = O + {H_2}NNHCON{H_2}$

                                            $ \to \mathop {{C_6}{H_5}CH = NNHCON{H_2}}\limits_{{\rm{semicarbazone}}} $

The product shows $E$ and $Z$ configuratio

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