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प्रश्न
Illustrate Sandmeyer's reaction with an equation.
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उत्तर
In benzene diazonium chloride (C6H5N2Cl) the Cl–, Br– and CN– nucleophiles can easily be introduced in the benzene ring in the presence of Cu(I) ion. This reaction is called the Sandmeyer reaction. It can be illustrated as

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संबंधित प्रश्न
Write the structures of main products when benzene diazonium chloride `(C_6H_5N_2^(+)Cl^-)`reacts with the following reagents:
H2O
Write the structures of main products when benzene diazonium chloride `(C_6H_5N_2^(+)Cl^-)`reacts with the following reagents:
CH3CH2OH
Give the structures of A, B and C in the following reaction:

The reaction \[\ce{Ar\overset{+}{N2}Cl- ->[Cu/HCl] ArCl + N2 + CuCl}\] is anmed as ______.
Which of the following cannot be prepared by Sandmeyer’s reaction?
(i) Chlorobenzene
(ii) Bromobenzene
(iii) Iodobenzene
(iv) Fluorobenzene
Give reasons to support the answer:
3-Hydroxy pentan-2-one shows positive Tollen’s test.
Which of the following statements are correct:
(P) C6H5N=CH-C6H5 is a Schiff’s base.
(Q) A dye is obtained by the reaction of aniline and C6H5N=NCl.
(R) C6H5CH2NH2 on treatment with [NaNO2 + HCl] gives diazonium salt.
(S) p-Toluidine on treatment with [HNO2 + HCl] gives diazonium salt.
In a set of reactions, nitrobenzene gave a product D. Identify the product D.

The conversion of benzene diazonium chloride to bromobenzene can be accomplished by ______.
Write the structures of A, B and C in the following reaction:

