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Question 40

Given below are two statements.
Statement I: The compound is optically active.

image

Statement II: The second compound is mirror image of the above compound A.

image

In the light of the above statement, choose the most appropriate answer from the options given below.

In compound $$\mathrm{A}$$, the central carbon is bonded to:

$$\mathrm{-H,\ -NO_2,\ cis\text{-}Propenyl,\ trans\text{-}Propenyl}$$

The cis and trans propenyl groups are stereochemically different.

Hence, the central carbon is attached to four different groups and acts as a chiral centre.

Therefore, compound $$\mathrm{A}$$ is optically active.

Thus, Statement $$\mathrm{I}$$ is correct.

In the second compound, both substituent groups are trans-propenyl groups.

Hence, the central carbon is attached to two identical groups and is not chiral.

Therefore, the second compound is achiral and cannot be the mirror image of compound $$\mathrm{A}$$.

Thus, Statement $$\mathrm{II}$$ is incorrect.

Correct Option: $$\mathrm{C}$$

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