Which of the Following Is a Correct Statement Regarding Electrophilic

question 25

Multiple Choice

Which of the following is a correct statement regarding electrophilic aromatic substitution?

• A) The carbocation intermediate will lose a proton to regain aromaticity, usually from a position other than the site of electrophilic attack.
• B) Formation of the carbocation intermediate has a high activation barrier due to loss of aromaticity.
• C) The carbocation intermediate has several resonance structures and is negatively charged.
• D) Re-formation of the aromatic ring has a low activation barrier and therefore occurs slowly.
• E) Many suitable electrophiles are unreactive and can be stored for long periods of time prior to use.

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