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Chlorination

Which one of ...

Question

Which one of the following is incorrect about above reaction?

A

10 optically active compounds are formed.

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B

2 optically inactive compounds are formed.

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C

No compound of products has 2 chiral carbons.

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D

Mixture can be separated into 7 fractions on fractional distillation.

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Solution

The correct option is C No compound of products has 2 chiral carbons.
Incorrect option is (c).
Among the compounds obtained from the given reaction, 4 compounds contain 2 chiral carbons.
Possible products are shown below :
Optically active compounds are present in enantiomeric pair so no. of enantiomeric pairs are 5. Since physical property of enantiomers are identical so a pair is separated in one fraction on fractional distillation. Therefore the mixture of products can be separated into 5+2=7 fractions.

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