What kind of reagent would be needed to resolve a racemic amine, such as 2-aminobutane ?A) the pure optically active amine to serve as a template for crystallization.B) an achiral carboxylic acid to give a racemic mixture of amine salts.C) an enantiomerically pure chiral carboxylic acid to give a diastereomeric mixture of amine salts.D) a racemic chiral carboxylic acid to give a complete mixture of isomeric amine salts.