Which of the Following Statements About Nucleophilic Aromatic Substitution Is

question 34

Multiple Choice

Which of the following statements about nucleophilic aromatic substitution is not true?

• A)Increasing the electronegativity of the halogen increases the reactivity of the aryl halide.
• B)Increasing the number of electron-withdrawing groups increases the reactivity of the aryl halide.
• C)Electron-withdrawing groups stabilize the intermediate carbanion,and lower the energy of the transition state.
• D)When a nitro group is located meta to the halogen,the negative charge of the intermediate carbanion can be delocalized onto the NO₂ group,thus stabilizing it.

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