82.Starting with benzene, the best method for preparing p-nitrobenzoic acid is:
(A) HNO3/H2SO4, then CH3CI/AICl3, then separation of isomers, then KMnO4/- OH/heat, followed by H3O+
(B) CH3CI/AICl3, then HNO3/H2SO4, then separation of isomers, then KMnO4/-OH/heat, followed by H3O+
(C) CH3CV/AICl3, then KMnO4/-OH/heat, followed by H3O+, then HNO3/H2SO4
(D) HNO3/H2SO4, then KMnO4/-OH/heat, followed by H3O+, then CH3CI/AICl3
(E) HNO3H2SO4; then CO2, followed by H3O+
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統計: A(4), B(6), C(0), D(0), E(0) #3081322
統計: A(4), B(6), C(0), D(0), E(0) #3081322