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C6H2N2Cl overset(-CuCl//HCl)(rarr)C6H5Cl...

`C_6H_2N_2Cl overset(-CuCl//HCl)(rarr)C_6H_5Cl + N_2` is called

A

Etard reaction

B

Sandmeyer reaction

C

Wurtz-fittig's reaction

D

perkin's reaction

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The correct Answer is:
B
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