Question

# An organic compound $$A$$ containing nitrogen, on acid catalysed hydrolysis produces a water-soluble organic compound $$B$$ and a gaseous compound $$C$$. When methyl magnesium bromide is slowly added to $$A$$ in 1 : 1 ratio and hydrolysed, it produces a compound which can be obtained by dry distillation of the calcium salt of $$B$$. The compound $$A$$ is:

A
N-methylmethanmide
B
N-ethylmethanamide
C
acetonitrile
D
N, N-dimethylmethanamide
E
methylisocyanide

Solution

## The correct option is B acetonitrileAcetonitraile($$CH_{3}-C\equiv N$$) on acid catalyzed hydrolysis produces acetic acid which is water soluble organic compound and a gaseous compound NH$$_{3}$$.When methyl magnesium bromide is slowly added to A in 1:1 ratio of hydrolysed, it produces a compound acetaldehyde which can be obtained from dry distillation of calcium salt of acetic acid i.e. calcium acetate.Chemistry

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