Which one of the following acids does not exh | vedclass

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(C) Optical isomerism requires the presence of an asymmetric (chiral) carbon atom,which is a carbon atom bonded to four different groups.$1$. Lactic a

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Maleic acid

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(C) Optical isomerism requires the presence of an asymmetric (chiral) carbon atom,which is a carbon atom bonded to four different groups.$1$. Lactic acid $(CH_3CH(OH)COOH)$ has a chiral carbon.$2$. Tartaric acid $(HOOC-CH(OH)-CH(OH)-COOH)$ has chiral carbons.$3$. $\alpha -$ amino acids $(R-CH(NH_2)-COOH)$ have a chiral carbon (except glycine).$4$. Maleic acid $(HOOC-CH=CH-COOH)$ is a geometric isomer (cis-isomer) and does not contain any chiral carbon atom.Therefore,maleic acid does not exhibit optical isomerism.

Which one of the following acids does not exhibit optical isomerism?

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