Which of the following is the best synthesis of 2-chloro-4-nitro benzoic acid? COOH O2N Cl (A) (i) H — AITS & Test Series Chemistry Question

Question

Which of the following is the best synthesis of 2-chloro-4-nitro benzoic acid? COOH O2N Cl (A) (i) Heat benzoic acid with HNO3 + H2SO4 (i) Cl2, FeCl3, (B) (i) Toluene + (HNO3 + H2SO4) (ii) K2Cr2O7, H2O, H2SO4, (iii) Cl2, FeCl3 (C) (i) Heat chlorobenzene with (HNCO3 + H2SO4) (ii) CH3Cl, AlCl3 (ii) K2Cr2O7, H2O, H2SO4, Heat (D) (i) Toluene + (HNO3 + H2SO4) (ii) Cl2, FeCl3, Heat (iii) K2Cr2O7, H2O, H2SO4, heat