In the following sequence :
`CH_(3)CH_(2)Cloverset(NaCN)to(i)overset(Ni//H_(2))to(ii)overset("acetic anhydride")to(iii)`, Product (iii) is :

Options

A. A) `CH_(3)CH_(2)CH_(2)NH_(2)`
B. B) `CH_(3)CH_(2)CH_(2)CONHCH_(3)`
C. C) `CH_(3)CH_(2)CH_(2)NHCOCH_(3)`
D. D) `CH_(3)CH_(2)CH_(2)CONHCOCH_(3)`

Answer

C

Explanation

(i) `CH_(3)-CH_(2)-CN`
(ii) `CH_(3)-CH_(2)-CH_(2)-NH_(2)`
(iii) `CH_(3)-CH_(2)-CH_(2)-NH-overset(O)overset(||)(C)-CH_(3)`