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प्रश्न
Which one of the following acids does not exhibit optical isomerism?
विकल्प
Lactic acid
Tartaric acid
Maleic acid
α-amino acids
MCQ
उत्तर
Maleic acid
Explanation:
\[\begin{array}{cc}
\ce{HOOC}\phantom{.........}\ce{COOH}\\
\backslash\phantom{.......}/\\
\ce{C = C}\\
/\phantom{.......}\backslash\\
\ce{H}\phantom{.........}\ce{H}
\end{array}\]
Maleic acid is the cis-isomer of butanedioic acid. It does not have any chiral carbon.
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