10. 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.