Question

Carry out the following conversions nitro benzene to chloro benzene

Answer 1

Nitro benzene + LiAlH₄ → Aniline

Aniline+ NaNO₂ + HCl → Benzene diazonium chloride

Benzene diazonium chloride + KCl → Chlorobenzene

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Answer 2

Answer:

Benzene can be converted to diphenyl by a Friedel-Crafts alkylation reaction. This reaction involves the addition of an alkyl group to the benzene ring.

Explanation:

From the above question,

They have given :

Question :

How the following conversions can be carried out

i) Chlorobenzene to P-nitrophenol

ii) Benzene to Diphenyl

iii) Aniline to Chlorobenzene

Hence,

i) Chlorobenzene to p-nitrophenol:

          Chlorobenzene can be converted to p-nitrophenol by a nitration reaction. This reaction involves the addition of a nitro group (-NO2) to the benzene ring. The nitro group can be added using a mixture of concentrated nitric acid and sulfuric acid as the catalyst. The nitration reaction will produce a mixture of mononitro and dinitro derivatives, among which p-nitrophenol will be the major product.

ii) Benzene to diphenyl:

          Benzene can be converted to diphenyl by a Friedel-Crafts alkylation reaction. This reaction involves the addition of an alkyl group to the benzene ring. The alkyl group can be added using an alkyl halide, such as ethyl bromide, as the reactant. The Friedel-Crafts alkylation reaction will produce a single product, diphenyl, as the major product.

iii) Aniline to Chlorobenzene:

          Aniline can be converted to chlorobenzene by an electrophilic substitution reaction. This reaction involves the substitution of a chlorine atom for a hydrogen atom in the amino group of the aniline molecule. The chlorine atom can be added using chlorine gas as the reactant. The electrophilic substitution reaction will produce chlorobenzene as the major product.

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