# Why Dextro and Laevorotatory Isomers of Butan-2-ol Are Difficult to Separate by Fractional Distillation? - Chemistry

Short Note

Why dextro and laevo rotatory isomers of Butan-2-ol are difficult to separate by fractional distillation?

#### Solution

Dextro and laevorotatory isomers of butane-2-ol are difficult to separate by fractional distillation because of no difference in boiling points of these two rotatory isomers.

$\begin{array}{cc} \phantom{.......}\ce{OH}\\ \phantom{.....}|\\ \ce{\underset{\text{Butan-2-ol}}{CH3-CH2-CH-CH3}} \end{array}$

Concept: Isomerism in Coordination Compounds - Introduction
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