MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic Chemistrys- Block 3.0Previous Year Questions

In the case of alkali metals, the covalent character decreases in the order, (CBSE AIPMT 2009)

A.MCl > MI > MBr > MF

B.MF > MCl > MBr > MI

C.MF > MCl > MI > MBr

D.MI > MBr > MCl > MF✓ Correct

Explanation

We know the covalent character decreases down the group for cations but the covalent character increases down the group for the halides or anions. This is because of the larger anion size, polarizability is larger.

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