Which of the following is a logical inference from the fact that a 0.10 molar solution of potassium acetate, KC2H3O2, is less alkaline than a 0.10 molar solution of potassium cyanide, KCN?
A) 0.10 M potassium acetate is more concentrated than 0.10 M potassium cyanide.
B) Hydrocyanic acid is a weaker acid than acetic acid.
C) Cyanides are less soluble than acetates.
D) Acetic acid is a weaker acid than hydrocyanic acid.
E) Hydrocyanic acid is less soluble in water than acetic acid.