Which of the following compounds will not undergo Friedal-Craft's reaction easily?

Which of the following compounds will not undergo Friedal-Craft's reaction easily?
  1. Cumene
  2. Xylene
  3. Nitrobenzene
  4. Toluene

Solution

Nitro group being electron withdrawing, deactives the benzene nucleus to such an extent so that it becomes incapable to give Friedel-Crafts reaction. Nitrobenzene because of its unreactivity towards Friedel-Craft's reaction is used as a solvent for this reaction.

Asked in: NEET 2013 (All India)

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