1. Tardigrade
  2. Question
  3. Chemistry
  4. Arrange the following compounds in decreasing order of their boiling points. (i) CH3Br (ii) CH3CH2Br (iii) CH3CH2CH2Br (iv) CH3CH2CH2CH2Br

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Q. Arrange the following compounds in decreasing order of their boiling points.
(i) $CH_3Br$
(ii) $CH_3CH_2Br$
(iii) $CH_3CH_2CH_2Br$
(iv) $CH_3CH_2CH_2CH_2Br$

Haloalkanes and Haloarenes

Solution:

The boiling point of haloalkanes decreases with increase in branching. For the alkyl/aryl group, the boiling points of alkyl halides decrease in order $RI > RBr > RCl > RF$.
This is because with the increase in size and mass of halogen atom, the magnitude