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Q.
Which of the following is optical active substance?
NTA AbhyasNTA Abhyas 2022
Solution:
In $\left(\right.A\left.\right)$ and $\left(\right.B\left.\right)$ plane symmetry present in the molecule which makes the molecule optical inactive In $\left(\right.C\left.\right)$ phenyl group are perpendicular due to repulsion of large groups which is not in $\left(\right.A\left.\right)$ hence $\left(\right.C\left.\right)$ is correct answer.