Give the equation for the conversion of aniline to 4-Bromo aniline.

Aniline is converted in 4-Bromo aniline by halogenation. In this reaction aniline is first acetylated with acetyl chloride and then halogenation is carried out which results in the removal of acetyl group by hydrolysis and only monosubstituted halogen derivative is obtained. Therefore, the following reaction is observed-

How aniline is prepared from nitrobenzene ?

Aniline can be prepared by the reduction of nitrobenzene by the catalytic hydrogenation H 2 / Pd , V , CuO or by chemical means using Fe / HCl or Sn / HCl . Therefore, the following reaction takes place to prepare aniline on an industrial scale-

Mention the IUPAC name of CH 3 2 N - CH 3 .

The IUPAC name are written by replacing e of the name of parent alkane by suffix amine. Therefore, the IUPAC name of CH 3 2 N - CH 3 is N,N-Dimethyl methanamine.

Write the IUPAC name of

The IUPAC name of C 8 H 11 N is N,N-Dimethylbenzenamine. Its common name is N,N-Dimethylaniline. Note: It is an organic chemical compound, a substituted derivative of aniline. It consists of a tertiary amine, with dimethylamino group attached to a phenyl group. This oily liquid is colourless when pure, but commercial samples are often yellow.

How does nitrobenzene is reduced to aniline? Give equation.

Nitrobenzene is reduced to aniline by passing hydrogen gas in the presence of finely divided nickel, palladium or platinum and also by reduction with metals in acidic medium. Reduction with iron scrap and hydrochloric acid is preferred because FeCl 2 formed gets hydrolysed to release hydrochloric acid during the reaction. Thus, only the small amount of HCl is required to initiate the reaction.

Explain carbyl amine reaction with equation.

Aliphatic and aromatic primary amines on heating with chloroform and ethanolic potassium hydroxide form isocyanides or carbyl amines. The substances thus formed are foul smelling. This reaction is known as carbyl amine reaction or isocyanide test. It is used as a test for primary amines since secondary and tertiary amines do not show this reaction. R - NH 2 Primary amine + CHCl 3 chloroform + 3 KOH alc . Potassium hydroxide → ∆ R - NC Carbyl amine + 3 KCl + 3 H 2 O

Complete the chemical equation. CH 3 CONH 2 → Br 2 / NaOH

It is the Hoffmann bromamide degradation reaction that is used for preparing amine containing one carbon less than the starting amide. It involves synthesis of primary amines by treating an amide with Br 2 / Cl 2 in alkali NaOH / KOH . In this reaction, migration of an alkyl or aryl group takes place from carbonyl carbon of the amide to the N -atom. Therefore, the following reaction will occur- CH 3 CONH 2 acetamide + Br 2 + 4 NaOH → CH 3 NH 2 methylamine + Na 2 CO 3 + 2 NaBr + 2 H 2 O

Give the IUPAC name of CH 3 2 N - C 2 H 5 .

There are two methyl groups and one ethyl group is attached with nitrogen in the given compound. Therefore, the IUPAC name of CH 3 2 N - C 2 H 5 is N,N-Dimethyl ethanamine.

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How is phenol prepared from Aniline? Write the equation.

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