MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryChemical BondingFajan’s Rule

Among the following the maximum covalent character is shown by the compound

A.FeCl2

B.SnCl2

C.AlCl3✓ Correct

D.MgCl2

Explanation

According to Fazan’s rule if the cation has a small size and more charge, then it will show more covalent character.The order of size as follows: Mg> Fe> Sn> Al Also aluminum has a +3 charge. Therefore, 3 AlCl is maximum covalent.

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