NEET 2013 Chemistry question
Which of the following compounds will not undergo Friedal-Craft reaction easily ?
Answer: (3)
Solution
The Friedel-Crafts alkylation/acylation is an electrophilic aromatic substitution that works well only with rings that are activated or at least not strongly deactivated. Cumene, xylene and toluene carry electron-releasing alkyl groups (+I, hyperconjugation), which activate the ring, so they undergo the
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