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If chloromethane has a boiling point of 250K, what will be the probable boiling point of methane?

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in Chemistry – Class 12 by (188k points)
If chloromethane has a boiling point of 250K, what will be the probable boiling point of methane?

(a) 110K

(b) 250K

(c) 275K

(d) 315K

I got this question in an internship interview.

My question is based upon Haloarenes Physical Properties in portion Haloalkanes and Haloarenes of Chemistry – Class 12

1 Answer

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Correct option is (a) 110K

Easiest explanation: Haloalkanes are polar in nature and have higher intermolecular forces of attraction in terms of dipole-dipole and van der Waal forces. Hence, the boiling points of haloalkanes are higher than their respective hydrocarbons.

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