In a set reaction propionic acid yielded a compound `D`
`CH_(3)COOH overset (SOCI_(2)) to B overset (NH_(3)) to C overset (KOH)underset (Br_(2)) to D`
The structure of D would be

Options

A. `CH_(3)CH_(2)NHCH_(3)`
B. `CH_(3)CH_(2)NH_(2)`
C. `CH_(3)CH_(2)CH_(2)NH_(2)`
D. `CH_(3)CH_(2)CONH_(2)`

Answer

B

Explanation

`CH_(3)CH_(2)underset(A)COOHoverset(SoCl_(2))toCH_(3)underset(B)CH_(2)NH_(2) overset(NH_(3))toCH_(3)underset(C)CH_(2)CONH_(2)overset(Br_(2)+KOH)underset({:(" ""reaction"),("""Hoffman's bromamide"):})to`