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MCQ
Which of the following compounds shows optical isomerism?
Chemistry
A CH3CH2OH
B CH3CH(OH)CH3
C CH3CH(OH)COOH
D CH3COCH3
Explanation

CH3CH(OH)COOH (lactic acid) has a chiral carbon bonded to four different groups (-H, -OH, -CH3, -COOH), exhibiting optical isomerism.

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