Question

Which of the following compounds will show the maximum enol content?

• A. $CH_3COCH_2COCH_3$
• B. $CH_3COCH_3$
• C. $CH_3COCH_2CONH_3$
• D. $CH_3COCH_2COOC_2H_5$

Answer 1

Answer: (A)

$CH_3COCH_2COCH_3$

Answer 2

Due to presence of active methylene group and stabilization of enol by intramoelcular $H$ bond forming $6$ membered ring structure.