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Home » The reaction Ar + N2Cl– → (Cu/HCl)– ArCl + N2 + CuCl is named as _________. (i) Sandmeyer reaction (ii) Gatterman reaction (iii) Claisen reaction (iv) Carbylamine reaction
The reaction Ar + N2Cl– → (Cu/HCl)– ArCl + N2 + CuCl is named as _________.
(i) Sandmeyer reaction
(ii) Gatterman reaction
(iii) Claisen reaction
(iv) Carbylamine reaction
Chemistry | Class 12 | NCERT Exemplar
The reaction Ar + N2Cl– → (Cu/HCl)– ArCl + N2 + CuCl is named as _________.
(i) Sandmeyer reaction
(ii) Gatterman reaction
(iii) Claisen reaction
(iv) Carbylamine reaction

Solution:

Option (ii) is the answer.

Reason:

Diazonium salts in the presence of copper powder and halogen acid give aryl halide.
Gattermann reaction is a variation of Sandmeyer reaction in which the  is replaced by  powder.
This replacement leads to the formation of aryl halide more easily and under mild conditions than Sandmeyer reaction.
i

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