Give reagents suitable for carrying out each of the following reactions, and write the major organic products. If an ortho, para mixture is expected, show both. If the meta isomer is the expected major product, write only that isomer.
(a) Nitration of nitrobenzene
(b) Bromination of toluene
(c) Bromination of (trifluoromethyl) benzene
(d) Sulfonation of anisole