Which of the following will show optical acti | vedclass

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(D) $1,3$-dimethylcyclohexane (cis-isomer) has a plane of symmetry,but the trans-isomer is chiral. Assuming the structure shown is the chiral trans-is

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All except $C$

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(D) $1,3$-dimethylcyclohexane (cis-isomer) has a plane of symmetry,but the trans-isomer is chiral. Assuming the structure shown is the chiral trans-isomer,it is optically active.$(B)$ This is a Newman projection of tartaric acid derivative. It lacks a plane of symmetry and is chiral.$(C)$ This is a meso-compound (internal plane of symmetry),so it is optically inactive.$(D)$ This is a chiral molecule (no plane or center of symmetry),so it is optically active.$(E)$ $A$ $50/50$ mixture of two diastereomers ($C$ and $D$) is optically active because the individual components are not enantiomers of each other.Therefore,$A, B, D$ and $E$ are optically active. Given the options,$D$ is the most appropriate choice.

Which of the following will show optical activity?

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