Keto-enol taut omerism is not observed in

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Keto-enol taut omerism is not observed in

ChemistryGeneral Organic ChemistryWBJEEWBJEE 2010

Options:

A $\mathrm{C}_6 \mathrm{H}_5 \mathrm{COC}_6 \mathrm{H}_5$
B $\mathrm{C}_6 \mathrm{H}_5 \mathrm{COCH}=\mathrm{CH}_2$
C $\mathrm{C}_6 \mathrm{H}_5 \mathrm{COCH}_2 \mathrm{COCH}_3$
D $\mathrm{CH}_3 \mathrm{COCH}_2 \mathrm{COCH}_3$

Solution:

2077 Upvotes Verified Answer

The correct answer is: $\mathrm{C}_6 \mathrm{H}_5 \mathrm{COC}_6 \mathrm{H}_5$

as contains no $\alpha-\mathrm{H}$

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