Aromatic HydrocarbonsmediumMCQ SINGLE⭐ Must-Do

The Dow Process converts chlorobenzene to phenol using aqueous . Because the bond is stabilized by rAromatic Hydrocarbons Chemistry Question

Question

The Dow Process converts chlorobenzene to phenol using aqueous $NaOH$. Because the $C-Cl$ bond is stabilized by resonance, what drastic conditions are required for this SNAr reaction?

Answer: D

💡 Solution & Explanation

Because unactivated aryl halides possess partial double-bond character in their $C-X$ bonds, standard nucleophilic attack fails. Drastic conditions ($300^\circ C$ and high pressure) are mandatory to force the substitution.

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