A) optical isomerism
B) geometrical isomerism
C) metamerism
D) tautomerism
Correct Answer: A
Solution :
All the four valencies of \[{{C}^{*}}\] (chiral atom) in lactic acid are attached with different groups or atoms hence, it is optically active. \[\underset{Iactic\,acid}{\mathop{H{{-}^{*}}\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{\overset{COOH}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-OH}}\,\]You need to login to perform this action.
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