question_answer

Meso tartaric acid is optically inactive due to the presence of

A)  molecular symmetry

B)  molecular asymmetry

C)  external compensation

D)  two asymmetric C-atoms

Correct Answer: A

Solution :

  plane of symmetry Meso tartaric acid is optically inactive due to the presence of molecular symmetry. It is optically inactive due to internal compensation i. e., the effect of one half of the molecule is neutralized by other.