Which of the following compounds has lower boiling point?

Which of the following compounds has lower boiling point?
  1. Fluoromethane
  2. Iodomethane
  3. Bromomethane
  4. Chloromethane

Solution

Boiling point increases with increase in molecular mass due to the greater magnitude of Vander waal's forces of attraction. * Due to least molecular mass fluoro methane has lower boiling point.

Asked in: MHT CET 2021 (21 Sep Shift 1)

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