`CH_3CH_2-C -=N overset(X)to CH_3CH_2-CHO`
The `"reagent"//s` X is (are)

Options

A. `SnCl_2//HCl, H_2 O //"boil"`
B. `H_2//Pd-BaSO_4`
C. `LiAlH_4//"ether"`
D. `NaBH_4//"ether, "H_3O^(+)`

Answer

A

Explanation

`underset("Propanenitrile")(CH_3CH_2-C -= N) overset(SnCl_2//HCl)underset("(Stephen reaction)")to CH_3CH_2-CH=NH.HCl overset(H_2O."boil")to underset("Propanal")(CH_3CH_2-CHO)+NH_4Cl`