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Question
Why dextro and laevorotatory isomers of Butan-2-ol are difficult to separate by fractional distillation?
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Solution
Dextro and laevorotatory isomers of Butan-2-ol are enantiomers of each other and both have the same boiling point and hence they cannot be separated by fractional distillation.
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(a) \[\begin{array}{cc}
\ce{CH3}\phantom{..................}\\
\backslash\phantom{...........}\\
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/\phantom{.............}\\
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\end{array}\]
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