Which among the following isomers of $\mathrm{C}_4 \mathrm{H}_9 \mathrm{OH}$ has lowest boiling point?

Which among the following isomers of $\mathrm{C}_4 \mathrm{H}_9 \mathrm{OH}$ has lowest boiling point?
  1. Isobutyl alcohol
  2. n-Butyl alcohol
  3. tert-Butyl alcohol
  4. sec-Butyl alcohol

Solution

(i) Boiling point $\propto$ Molar mass (ii) In isomers Boiling point $\propto \frac{1}{\text { Branching }}$

Asked in: MHT CET 2021 (22 Sep Shift 1)

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