IGNOU BCHCT 133 2026 - Arrange the following molecules in order of increasing boiling p

Question

Arrange the following molecules in order of increasing boiling points. Give reason for this trend: CHCl₃, CH₂Cl₂, CH₃Cl, CCl₄

19 Jan 2026

Answer :

Word Count : 132

The increasing order of boiling points is CH₃Cl < CH₂Cl₂ < CHCl₃ < CCl₄. Boiling point depends mainly on the strength of intermolecular forces. As the number of chlorine atoms attached to carbon increases, the molecular mass and size increase, which enhances London dispersion forces due

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