Which of the following statements about LiCl and NaCl is wrong? — Chemical Bonding Chemistry Question

💡 Solution & Explanation

Step 1: According to Fajan's rules, due to the exceptionally small size of the Li^+ cation, it has a very high polarizing power, making LiCl significantly more covalent than NaCl. Step 2: This covalent character explains why LiCl has a lower melting point, dissolves more in organic solvents, and fused LiCl is less conducting than fused NaCl (due to lower ionic concentration). Step 3: However, when dissolved in water, LiCl is highly soluble and ionizes completely into hydrated Li^+ and Cl^- ions just like NaCl, making statement (c) wrong.