Which of the following compounds has the most | vedclass

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(B) The ease of breaking the $C-X$ bond in haloarenes depends on the electron density at the carbon atom attached to the halogen. Electron-withdrawing

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$m-$Nitrochlorobenzene

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(B) The ease of breaking the $C-X$ bond in haloarenes depends on the electron density at the carbon atom attached to the halogen. Electron-withdrawing groups (like $-NO_2$) at the ortho and para positions increase the reactivity of the $C-X$ bond towards nucleophilic substitution by stabilizing the carbanion intermediate. In $m-$Nitrochlorobenzene,the $-NO_2$ group is at the meta position,which does not exert a strong electron-withdrawing effect on the carbon attached to the chlorine through resonance. Therefore,$m-$Nitrochlorobenzene has the least activation for nucleophilic substitution,making the $C-X$ bond the most difficult to break among the given options.

Which of the following compounds has the most difficulty in breaking the $C-X$ bond?

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