MCQ
Aldehydes and ketones give addition reaction with
- AHydrazine
- BPhenyl hydrazine
- CSemicarbazide
- ✓Hydrogen cyanide

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$(A)$ $X = COOCH _3, Y = H _2 /$ Ni/heat
$(B)$ $X = CONH _2, Y = H _2 /$ Ni/heat
$(C)$ $X = CONH _2, Y = Br _2 / NaOH$
$(D)$ $X = CN , Y = H _2 /$ Ni/heat