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

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

${C H}_{3} C O C H_{2} C O N H_{2}$
${C H}_{3} C O C H_{2} C O C H_{3}$
${C H}_{3} C O C H_{2} {C O O C}_{2} H_{5}$
${C H}_{3} C O C H_{3}$

Solution

Due to intramolecular hydrogen bonding and resonance stabilization, enol content is maximum in $C H_{3} C O C H_{2} C O C H_{3}$ .

Asked in: JEE Main 2019 (08 Apr Shift 2)

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