In which of the following compounds does elec | vedclass

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(D) Electrophilic aromatic substitution occurs more readily on the ring that is more electron-rich.In $C_6H_5CH_2COC_6H_5$,the left phenyl ring is att

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Acetophenone $(C_6H_5COCH_3)$ derivative: $C_6H_5CH_2COC_6H_5$ ($1$,$3$-diphenylpropan$-2-$one)

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(D) Electrophilic aromatic substitution occurs more readily on the ring that is more electron-rich.In $C_6H_5CH_2COC_6H_5$,the left phenyl ring is attached to a $-CH_2-$ group,which exerts a $+I$ (inductive) effect,increasing the electron density of the ring.The right phenyl ring is attached directly to the carbonyl group $(-C=O)$,which exerts a $-M$ (mesomeric) and $-I$ effect,significantly decreasing the electron density of the ring.Therefore,the left phenyl ring is more electron-rich and is the site for electrophilic aromatic substitution.

In which of the following compounds does electrophilic aromatic substitution take place in the phenyl ring present on the left-hand side?

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