CBSE Class 12 Chemistry 2022 Term 1 Paper

Question : 43 of 55

Marks: +1, -0

Which of the following has highest boiling point?

Solution:

For the same alkyl group the boiling points of haloalkanes are in the order of

{\RF}< {\RCl}< {\RBr}< {\RI}

as with the increase in size of halogen atom the magnitude of van der Waals forces of attraction increases, resulting in higher boiling points.

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