Question:
Identify correct orders of covalent character:
Identify correct orders of covalent character:
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Smaller cation + larger anion = more covalent character.
Updated On: Jun 17, 2026
- I, II, III
- I, II only
- II, III only
- I, III only
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The Correct Option is A
Solution and Explanation
Step 1: Covalent character follows Fajan’s rule.
Step 2: Ionic compounds with smaller cation and larger anion have higher covalent character → KI > KBr > KCl > KF is correct.
Step 3: For LiCl > NaCl > KCl > RbCl, covalent character decreases down the group due to increasing size → correct.
Step 4: For metal chlorides: AlCl$_3$ > MgCl$_2$ > CaCl$_2$ > CsCl (given order equivalent) → correct.
Step 5: Hence all three orders are correct.
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