Predict the products (if any) of the following reactions.
(a) (Excess) benzene + isobutyl chloride + AlCl3
(b) (Excess) toluene + butan- 1 -0l + BF3
(c) (Excess) nitrobenzene + 2-chloropropane + AlCl3
(d) (Excess) benzene + 3, 3-dimethylbut-1-ene + HF