In the case of alkali metals, the covalent character decreases in the order :

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In the case of alkali metals, the covalent character decreases in the order :

Chemistrys Block ElementsNEETNEET 2009 (Mains)

Options:

A $\mathrm{MI}>\mathrm{MBr}>\mathrm{MCl}>\mathrm{MF}$
B $\mathrm{MCl}>\mathrm{MI}>\mathrm{MBr}>\mathrm{MF}$
C $\mathrm{MF}>\mathrm{MCl}>\mathrm{MBr}>\mathrm{MI}$
D $\mathrm{MF}>\mathrm{MCl}>\mathrm{MI}>\mathrm{MBr}$

Solution:

1166 Upvotes Verified Answer

The correct answer is: $\mathrm{MI}>\mathrm{MBr}>\mathrm{MCl}>\mathrm{MF}$

$\mathrm{MI}>\mathrm{MBr}>\mathrm{MCl}>\mathrm{MF}$
Down the group increases covalent character

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