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+1 vote
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in Chemistry by (69.5k points)
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Keto-enol tautomerism is observed in :
A. `C_(6)H_(5)-overset(O) overset(||)C-H`
B. `C_(6)H_(5)-overset(O) overset(||)C-CH_(3)`
C. `C_(6)H_(5)-overset(O) overset(||)C-C_(6)H_(5)`
D. `C_(6)H_(5)-overset(O) overset(||)C-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-C_(6)H_(5)`

1 Answer

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Best answer
Correct Answer - B
For a compound to exhibit keto-enol isomerism, presence of `alpha`-hydrogen is necessary. This is satisfied only by acetophenone

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