1.

Which of the following reaction will not occur?

Answer»

`C_6H_5N_2^(+) + CuBr overset(HBR)to C_6H_5-Br`

`C_6H_5N_2^(+) UNDERSET(HOH)overset(H_3PO_2)to C_6H_5H`
`C_6H_5N_2^(+)+I^(-) to C_6H_5 - I`

Solution :`C_6H_5N_2^(+) + C_6H_5OH to C_6H_5N_2 C_6H_5OH` or
Here , REAGENT used is `C_6H_5N_2^+` instead of `C_6H_5N_2`.


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