In a reaction, `(A)overset(NH_(3))to(B)overset(Heat)to(C )overset(P_(2)O_(5))toC_(2)H_(5)CN`
(A), (B) and (C) are:
A. `CH_(3)COOH, CH_(3)COONH_(4) and CH_(3)CONH_(2)`
B. `CH_(3)COCl, CH_(3)CONH_(2) and CH_(3)COONH_(4)`
C. `C_(2)H_(5)COOH, C_(2)H_(5)COONH_(4) and C_(2)H_(5)CONH_(2)`
D. `C_(2)H_(5)COONH_(4) , C_(2)H_(5)CONH_(2) and C_(2)H_(5)COOH`
