Maximum enol content is in

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Question

(D) The enol content in carbonyl compounds is influenced by the stability of the resulting enol form.Factors that increase enol stability include reso

Vedclass · Accepted Answer

$PhCOCH_2COPh$

Vedclass · Answer

(D) The enol content in carbonyl compounds is influenced by the stability of the resulting enol form.Factors that increase enol stability include resonance stabilization and intramolecular hydrogen bonding.In $PhCOCH_2COPh$ ($1$,$3$-diphenylpropane$-1,3-$dione),the enol form is highly stabilized by extensive conjugation with two phenyl rings and strong intramolecular hydrogen bonding.This makes the enol form significantly more stable compared to the other options,leading to the maximum enol content.

List-$I$ (Chemical Reaction)	List-$II$ (Reagent used)
$(a)$ $CH_{3}COOCH_{2}CH_{3} \rightarrow CH_{3}CH_{2}OH$	$(i)$ $CH_{3}MgBr / H_{3}O^{+}$ ($1$ equivalent)
$(b)$ $CH_{3}COOCH_{3} \rightarrow CH_{3}CHO$	$(ii)$ $H_{2}SO_{4} / H_{2}O$
$(c)$ $CH_{3}C \equiv N \rightarrow CH_{3}CHO$	$(iii)$ $DIBAL-H / H_{2}O$
$(d)$ $CH_{3}C \equiv N \rightarrow CH_{3}COCH_{3}$	$(iv)$ $SnCl_{2}, HCl / H_{2}O$

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