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Amines

Short Answer Type

291. Write the structure of the products of the following reactions:

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292.

Why does bromination of aniline, even under very mild conditions give 2, 4, 6- tribromo aniline instantaneously?

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293.

An organic compound (A) with IMF C₄H₁₁N, capable of being resolved into optical isomers gives a base soluble product with benzene sulphonyl chloride. What is the structure and IUPAC name of (A)? What happens when this compound (A) is treated with ethanoyl chloride?

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294.
How is benzene diazonium chloride obtained?

Benzene diazonium chloride is obtained by treating aniline with NaNO₂ and HCl in ice cold solution. The reaction is called diazotisation.

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295. Why are aryl diazonium ions more stable than alkyl diazonium ions?

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296.

Explain what is meant by the 'protection of the amino group'.?

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297. How would you protect the amino group during the nitration of an aromatic amino compound? Give chemical equations.

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298.

Show by means of equations how an amide may be converted into an amine containing the same number of carbon atoms.

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299.

Show by means of equations how an amide may be converted into an amine containing one carbon atom less than the amide.

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Long Answer Type

300. Draw all possible isomers of a benzene containing compound with molecular formula C₇H₉N. Write their IUPAC names. Explain their reaction towards nitrous acid.

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