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Chemical Properties of Aromatic Compounds

Chlorobenzene...

Question

Chlorobenzene can be prepared by reacting benzene diazonium chloride with:

A

H C l

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B

C u_{2} C l_{2}

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C

C l_{2} / A l C l_{3}

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D

H N O_{2}

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Solution

The correct option is C $C u_{2} C l_{2}$
The formation of chlorobenzene by the reaction of benzene diazonium chloride with $C u_{2} C l_{2} / H C l$ is known as Sandmeyer's reaction.

Option B is correct.

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Similar questions

Q. How will you prepare chlorobenzene from benzene diazonium chloride?

Q. When benzene diazonium chloride is treated with cuprous chloride in

H C l

, chlorobenzene is formed. This reaction is called:

Q. When benzene diazonium is treated with cuprous chloride in HCl, chlorobenzene is formed. This reaction is called:

Q. Identify incorrect statements among the following
I. Benzene diazonium chloride with hypophosphorous acid solution gives benzeneamine and phosphorous acid
II. Benzene diazonium chloride with phenol at P^H> 7 gives yellow coloured dye
III. Benzene diazonium chloride with cuprous chloride and HCl gives chlorobenzene is called as Gattermann reaction

IV. Benzenediazonium chloride on hydrolysis with water at 10⁰C gives phenol

Q. Fill in the blanks:
Preparation of chlorobenzene from benzene diazonium chloride and aq. HCl is known as _________ reaction.

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