Question

An aliphatic compound A’ with a molecular formula of C₃H₆O reacts with phenylhydrazine to give compound B’. Reaction of A’ with I₂ in alkalene  medium on warming  gives a yellow  precipitate C’. Identify the component  A,B,C

Answer 1

CH₃COCH₃ + C₆H₅NH – NH₂ →CH₃C = N – HN – C₆H₅