Why dextro and laevo rotatory isomers of butan-2-ol are difficult to separate by fractional distillation?
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It is difficult to separate the dextro and laevo rotatory isomers of butan-2-ol by fractional distillation because butan-2-ol has 4 different groups attached to the 2nd tetrahedral carbon. Therefore it is chiral and hence enantiomers and enantiomers only differ with respect to plane polarised light.
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