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An organic compound (A) on reduction gav...

An organic compound (A) on reduction gave a compound (B). Upon treatment with `HNO_(2)` ,(B) gave ethyl alcohol and on warming with `CHCl_(3)`, and alcoholic KOH, (B ) gave offensive smell. The compound (A) is:

A

`CH_(3)C-=N`

B

`CH_(3)CH_(2)N-=C`

C

`CH_(3)CH_(2)NH_(2)`

D

`CH_(3)CH_(2)OH`

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B
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