Identify A in the following sequence of reactions
` A overset(NH_(3)) underset("1 mol") to B overset(CHCI_(3)) underset("Alc.KOH")to C overset("Reduction")to (CH_(3))_(2) CHNHCH_(3)`
A. Ethyl halide
B. Iso-propylamine
C. n-propyl halide
D. Iso- propyl halide
