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(D) The boiling point of haloalkanes increases with an increase in molecular mass and the number of halogen atoms present in the molecule.This is beca

Vedclass · Accepted Answer

$CHBr_3 > CH_2Br_2 > CH_3Br > CH_3Cl$

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(D) The boiling point of haloalkanes increases with an increase in molecular mass and the number of halogen atoms present in the molecule.This is because the magnitude of van der Waals forces increases as the size and number of halogen atoms increase.Comparing the given compounds: $CHBr_3$ (tribromomethane) has the highest molecular mass,followed by $CH_2Br_2$ (dibromomethane),$CH_3Br$ (bromomethane),and $CH_3Cl$ (chloromethane) has the lowest molecular mass.Therefore,the correct decreasing order is $CHBr_3 > CH_2Br_2 > CH_3Br > CH_3Cl$.

Select the correct decreasing order of boiling points of compounds from the following.

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