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Which of the following cannot be prepare...

Which of the following cannot be prepared by Sandmeyer's reaction?

A

Chlorobenzene

B

Bromobenzene

C

Iodobenzene

D

Fluorobenzene

Text Solution

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The correct Answer is:
C, D
Sandmeyer's reaction is used for preparation of chlorobenzene and bromobenzene

Iodobenzene and fluorobenzene can be prepared by direct reaction of diazonium salt with KI and `HBF_(4)//Delta`
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NCERT EXEMPLAR-AMINES-Amines
  1. Which of the following should be most volatile?

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  2. Which of the following methods of preparing of amines will give some n...

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  3. Which of the following cannot be prepared by Sandmeyer's reaction?

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  4. Reduction of nitrobenzene by which of the following reagent gives anil...

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  5. Which of the following species are involved

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  6. The reagents that can be used convert benzenediazonium chloride to ben...

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  7. The product of the following reaction is …

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  8. Arneium ion involved in the bromination of aniline is….

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  9. Which of the following can be prepared by Garbriel synthesis?

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  10. Which of the following reaction are correct?

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  11. Under which of the following reaction condidiotns, aniline give p-nitr...

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  12. Which of the following reaction belong to electrophilic aromatic subst...

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  13. What is the role of HNO(3) in the nitrating mixture used for nitration...

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  14. Why is NH(2) group of aniline acetylated before carrying our nitration

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  15. What is the product when C(6)H(5)CH(2)NH(2) reacts with HNO(3)?

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  16. What is the best reagent to convert nitrile to primary amine

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  17. Give the structure of 'A' in the following reaction.

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  18. What is Hinsberg reagent?

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  19. Why is benzene diazonium chloride not stored and is used immediately a...

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  20. Why does acylation of -NH(2) of aniline reduces its activating effect?

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