1.

Which of the following reactions will occur ? (1) ArN_(H)^(+) Cl^(-) + CuBr rarr ArBr + CuCl + N_(2) (2) (3) ArN_(H)^(+) + Cl + [H] overset(H_(3)PO_(2) // H_(2)O)rarr ArH + N_(2) + Cl^(-) (4) Ar N_(2)^(+) Cl_(-) + I^(-) rarr Ar I + N_(2) + Cl^(-) Select the correct answer using the codes given below

Answer»

`1, 2 " and " 4`
1, 3 and 4
1, 2 and 3
2, 3 and 4

Solution :In the reaction (B) p-hydroxy azobenzene is formed.


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