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  4. Arrange the following compounds in decreasing order of their boiling points (.i.) CH3Cl (.ii.) CH3CH2Cl (.iii.) CH3CH2CH2Cl (.iv.) CH3CH2CH2CH2Cl

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Q. Arrange the following compounds in decreasing order of their boiling points

$\left(\right.i\left.\right)$ $CH_{3}Cl$

$\left(\right.ii\left.\right)$ $CH_{3}CH_{2}Cl$

$\left(\right.iii\left.\right)$ $CH_{3}CH_{2}CH_{2}Cl$

$\left(\right.iv\left.\right)$ $CH_{3}CH_{2}CH_{2}CH_{2}Cl$

NTA AbhyasNTA Abhyas 2020Haloalkanes and Haloarenes

Solution:

Boiling point of the given compounds decreases in the following order as when molecular weight decreases magnitude of Van der Waal's forces also decreases so boiling point also decreases.

$CH_{3}CH_{2}CH_{2}CH_{2}Cl>CH_{3}CH_{2}CH_{2}Cl>CH_{3}CH_{2}Cl>CH_{3}Cl$