The racemic mixture of Alanine `(CH_(3)-underset(NH_(2))underset(|)(C )H-COOH)` can be resolved by using,
(1) (+) -2-Butanol (2) (l)-2-Chlorobutanoic acid
(3) `(+-)` -2 - Butanol (4) (d l mix)-2-Chlorobutanoic acid
A. 1 & 2 only
B. 1 & 3 only
C. 2 & 4 only
D. 3 & 4 only
