Which of the following is hydrolysed to give a secondary amine? (N,N-dimethylformamide, HCON(CH_3)_2, hydrolyses as HCON(CH_3)_2 [-HCOOH] H_2O HN(CH_3)_2.)

JEE Main Chemistry question

Which of the following is hydrolysed to give a secondary amine?

(-dimethylformamide, , hydrolyses as HCON(CH_3)_2 \xrightarrow[-HCOOH]{H_2O} HN(CH_3)_2.)

(A)An alkyl cyanide
(B)-Dimethylformamide, Correct
(C)A nitroparaffin
(D)An acid amide,

Answer: (B)

Solution

Hydrolysis of -dimethylformamide (a disubstituted, -dialkyl amide) cleaves off formic acid and directly liberates dimethylamine — a secondary amine. A simple alkyl cyanide or a

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Question ID VK-150479