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Topic: Diazonium salts in synthesis· Organic Compounds Containing Nitrogen

Given below are two statements :Statement I : Benzenediazonium salt is prepared by the reaction of aniline with nitrous acid at 273 - 278 K. It decomposes easily in the dry state.Statement II : Insertion of iodine into the benzene ring is difficult a…

Given below are two statements :

Statement I : Benzenediazonium salt is prepared by the reaction of aniline with nitrous acid at 273 - 278 K. It decomposes easily in the dry state.

Statement II : Insertion of iodine into the benzene ring is difficult and hence iodobenzene is prepared through the reaction of benzenediazonium salt with KI.

In the light of the above statements, choose the most appropriate answer from the options given below :

1. Both Statement I and Statement II are correct

2. Both Statement I and Statement II are incorrect

3. Statement I is correct but Statement II is incorrect

4. Statement I is incorrect but Statement II is correct

1 answer

Best answer

Answer: 1. Both Statement I and Statement II are correct

  • Statement I is correct: diazotisation of aniline with \(\mathrm{NaNO_2/HCl}\) is done at 273-278 K, and dry diazonium salts are explosive/unstable.
  • Statement II is correct: direct iodination of benzene is reversible and difficult, so \(\mathrm{C_6H_5I}\) is made from the diazonium salt with KI.

Option (1).

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report
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