Identify Z in the given reaction sequence
As we have learnt,
Sandmeyer’s reaction
When a primary aromatic amine, dissolved or suspended in cold aqueous mineral acid, is treated with sodium nitrite, a diazonium salt is formed. Mixing the solution of freshly prepared diazonium salt with cuprous chloride or cuprous bromide results in the replacement of the diazonium group and leads to the formation of the respective aromatic halide.
Therefore, option (1) is correct.
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