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

Multiple Choice

Cyanide ion, CN⁻, is a stronger base than ammonia, NH₃. Which of the following represents the correct set of species that are present in the solution in the largest amounts when ammonia (NH₃) reacts with hydrocyanic acid (HCN) ?

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⁺