30. Under what reaction conditions does the electrophilic chlorination of aromatic compounds usually occur? a) CI, AICI, b) Cl,, CCI, c) NaCl, H₂O d) Cl₂, H,O 31. Which of the following species is attacked by benzene in the electrophilic nitration reaction? a) HNO, b) NO, c) NO d) N, 32. Which of the following compounds will react most rapidly when treated with CH,CH,CI and AICI,? a) benzene b) chlorobenzene c) nitrobenzene d) anisole (phenyl methyl ketone) 33. In electrophilic aromatic substitution reactions, a phenyl substituent on the aromatic ring is: a) a deactivator and an m-director b) a deactivator and an op-director c) an activator and an m-director d) an activator and an o.p-director 34. Which of the following compounds will not undergo Friedel-Crafts acylation when treated with CH,CH,COCI, AICI,? 35. Which of the following compounds undergoes reaction with HNO,/H,SO, at the fastest rate? a) ethylbenzene b) benzenesulfonic acid c) nitrobenzene d) chlorobenzene