HCN behaves as a very weak acid in aqueous medium whereas it acts as a strong acid in liquid ammonia because

Engineering

Chemistry

pH Scale and Relative Strength of Acids

Acid Base Theories

Acidic and Basic Oxides

Question

HCN behaves as a very weak acid in aqueous medium whereas it acts as a strong acid in liquid ammonia because

Dipole moment of water is greater than that of ammonia.

Ionization energy of oxygen is less than that of nitrogen

Electronegativity of oxygen is greater than that of nitrogen.

Proton affinity of water is less than that of ammonia.

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Basic strength or proton affinity of NH₃ > H₂O because electronegativity of N < O.