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12. In gaseous state, ionic character is greatest ina. HBOb. HFc. HC1d. HI

Answer»

BETWEEN HF, HCl, HBr and HI. HF has the highest ionic character because:1. F has the highest electron affinity. 2. In HF, electronegativity difference is highest 3. F - ion has the highest Value of ionic radius. 4. Atomic Orbitals of H and F have almost similar energy.

(b) is correct option



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