Question

how will you prepare biphenyl from chlorobenzene ​

Answer 1

Answer:

Benzene to chlorobenzene by the action of Cl2/AlCl3. Chlorobenzene on reaction with sodium metal in dry ether gives biphenyl ( Wittig reaction).

Explanation:

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Answer 2

If chlorobenzene is treated with Cu metal ,then biphenyl is obtained.Reaction is known as Ullmann’s reaction

Another way to prepare biphenyl from chlorobenzene is by Fittig’s reaction. In this reaction chlorobenzene is treated with Na metal in presence of dry ether to form biphenyl

Benzene to chlorobenzene by the action of Cl2/AlCl3. Chlorobenzene on reaction with sodium metal in dry ether gives biphenyl

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