Identify A, B, C and D in the following reactions :
(A) A = aniline, B = 2, 4, 6 - Tribromoniline,
C = 2, 4, 6 - tribromo benzene diazonium chloride
D = 1, 3, 5 - tribromo benzene
(B) A = Benzene, B = 2, 4, 6 tribromo benzene
C = 2, 4, 6 - tri chloro benzene
D = 2, 4, 6 - tri chloro phenol
(C) A = aniline, B = P-bromoaniline, C = P-bromobenzene diazonium chloride. D = P - bromo phenol
(D) A = aniline, B = p-bromo aniline,
C = p-bromobenzene diazonium chloride.
D = Bromo benzene