Which of the following is optically active?

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(B) molecule is optically active if it contains at least one chiral center (an asymmetric carbon atom) and lacks a plane of symmetry or center of symm

Vedclass · Accepted Answer

Lactic acid

Vedclass · Answer

(B) molecule is optically active if it contains at least one chiral center (an asymmetric carbon atom) and lacks a plane of symmetry or center of symmetry.$1$. Succinic acid $(HOOC-CH_2-CH_2-COOH)$ has no chiral center.$2$. Lactic acid $(CH_3-CH(OH)-COOH)$ has one chiral carbon atom attached to four different groups $(-H, -OH, -CH_3, -COOH)$,making it optically active.$3$. Meso tartaric acid has chiral centers but possesses a plane of symmetry,making it optically inactive (meso compound).$4$. Chloro acetic acid $(ClCH_2-COOH)$ has no chiral center.Therefore,Lactic acid is the correct answer.

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