Question
Question: Which of the following pair of isomers cannot be separated by fractional crystallization or distilla...
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
and H2N–CH2–CH2–COOH
D
(+)-lactic acid and (–)-lactic acid
Answer
(+)-lactic acid and (–)-lactic acid
Explanation
Solution
Enantiomers are similar in physical properties