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Which of the following pair of isomers c...

Which of the following pair of isomers cannot be separated by fractional crystallization or distillation or chromatography ?

A

Maleic acid and Fumaric acid

B

`(+)-` Tartaric acid and meso - tartaric acid

C

`CH_(3)-underset(NH_(2))underset(|)(C)H-COOH` and `H_(2)N - CH_(2) -CH_(2) -COOH`

D

(+) - lactic acid (-) - lactic acid

Text Solution

Verified by Experts

The correct Answer is:
D
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