Cyanide Ion, CN-, Is a Stronger Base Than Ammonia, NH₃

Multiple Choice

Cyanide ion, CN-, is a stronger base than ammonia, NH₃. When ammonia reacts with hydrocyanic acid, HCN, what species are present in the solution in the largest amount?

A) hydrocyanic acid, HCN, and ammonia, NH₃
B) hydrocyanic acid, HCN, and ammonium ion, NH₄⁺
C) cyanide ion, CN-, and ammonia, NH₃
D) cyanide ion, CN-, and ammonium ion, NH₄⁺