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Molecular size of ICI and Br2 is nearly ...

Molecular size of `ICI` and `Br_2` is nearly same but boiling point of ` ICI` is about ` 40^@` higher than `BR_2` . This is due to :

A

I - CI is weaker than Br - Br bond

B

Ionisation energy of Br atom is less than I atom

C

ICI is a polar where as `Br_2` atom is a non - polar molecule

D

ICI is non - polar where as `Br_2` is polar

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The correct Answer is:
C
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