Amines

The electrolytic reduction of nitrobenzene in strongly acidic medium produces

1. azobenzene
2. aniline
3. p-aminophenol
4. azoxybenzene.

In the following reaction, the product (A) is [figure]

1. [figure]
2. [figure]
3. [figure]
4. [figure]

Which of the following will be most stable diazonium salt RN2+X-?

1. CH3N2+X-
2. C6H5N2+X-
3. CH3CH2N2+X-
4. C6H5CH2N2+X-

In the reaction [figure] A is

1. H3PO2 and H2O
2. H+/H2O
3. HgSO4/H2SO4
4. Cu2Cl2

On hydrolysis of a "compound", two compounds are obtained. One of which on treatment with sodium nitrite and hydrochloric acid gives a product which does not respond to iodoform test. The second one reduces Tollens reagent and Fehling's solution. The "compound" is

1. CH3CH2CH2NC
2. CH3CH2CH2CN
3. CH3CH2CH2ON=O
4. CH3CH2CH2CON(CH3)2

Some reactions of amines are given. Which one is not correct?

1. [figure]
2. CH3CH2NH2 + HNO2 CH3CH2OH + N2
3. CH3NH2 + C6H5SO2Cl CH3NHSO2C6H5
4. (CH3)2NH + NaNO2 + HCl (CH3)2N-N=O

An organic compound (C3H9N) (A), when treated with nitrous acid, gave an alcohol and N2 gas was evolved. (A) on warming with CHCl3 and caustic potash gave (C) which on reduction gave isopropylmethylamine. Predict the structure of (A)

1. [figure]
2. CH3CH2-NH-CH3
3. [figure]
4. CH3CH2CH2-NH2

An organic compound A on treatment with NH3 gives B, which on heating gives C. C when treated with Br2 in the presence of KOH produces ethyl amine. Compound A is

1. CH3COOH
2. CH3CH2CH2COOH
3. [figure]
4. CH3CH2COOH

Which of the following compounds is most basic?

1. [figure]
2. [figure]
3. [figure]
4. [figure]

In a set of reactions m-bromobenzoic acid gave a product D. Identify the product D. [figure]

1. [figure]
2. [figure]
3. [figure]
4. [figure]

What is the product obtained in the following reaction? [figure]

1. [figure]
2. [figure]
3. [figure]
4. [figure]

Match the compounds given in List-I with their characteristic reactions given in List-II. Select the correct option.

1. A-(ii), B-(i), C-(iv), D-(iii)
2. A-(iii), B-(ii), C-(i), D-(iv)
3. A-(ii), B-(iii), C-(i), D-(iv)
4. A-(iv), B-(ii), C-(iii), D-(i)

Acetamide is treated with the following reagents separately. Which one of these would yield methyl amine?

1. NaOH/Br2
2. Sodalime
3. Hot conc. H2SO4
4. PCl5

Which of the following statements about primary amines is false?

1. Alkyl amines are stronger bases than aryl amines.
2. Alkyl amines react with nitrous acid to produce alcohols.
3. Aryl amines react with nitrous acid to produce phenols.
4. Alkyl amines are stronger bases than ammonia.

Aniline in a set of the following reactions yielded a coloured product Y. [figure] The structure of 'Y' would be

1. [figure]
2. [figure]
3. [figure]
4. [figure]

Predict the product. [figure]

1. [figure]
2. [figure]
3. [figure]
4. [figure]

In a reaction of aniline a coloured product C was obtained. [figure] The structure of C would be

1. [figure]
2. [figure]
3. [figure]
4. [figure]

Which one of the following on reduction with lithium aluminium hydride yields a secondary amine?

1. Methyl isocyanide
2. Acetamide
3. Methyl cyanide
4. Nitroethane

In a set of reactions propionic acid yielded a compound D. CH3CH2COOH SOCl2 B NH3 C [Br2]KOH D The structure of D would be

1. CH3CH2NH2
2. CH3CH2CH2NH2
3. CH3CH2CONH2
4. CH3CH2NHCH3

Which of the following is more basic than aniline?

1. Benzylamine
2. Diphenylamine
3. Triphenylamine
4. p-Nitroaniline

The major organic product formed from the following reaction : [figure] is

1. [figure]
2. [figure]
3. [figure]
4. [figure]

Electrolytic reduction of nitrobenzene in weakly acidic medium gives

1. N-phenylhydroxylamine
2. nitrosobenzene
3. aniline
4. p-hydroxyaniline

Aniline in a set of reactions yielded a product D. [figure] The structure of the product D would be

1. C6H5NHOH
2. C6H5NHCH2CH3
3. C6H5CH2NH2
4. C6H5CH2OH

In a reaction of aniline a coloured product C was obtained. [figure] The structure of C would be

1. [figure]
2. [figure]
3. [figure]
4. [figure]

The final product C, obtained in this reaction [figure] would be

1. [figure]
2. [figure]
3. [figure]
4. [figure]

CH3CH2Cl NaCN X Ni/H2 Y acetic anhydride Z Z in the above reaction sequence is

1. CH3CH2CH2NHCOCH3
2. CH3CH2CH2NH2
3. CH3CH2CH2CONHCH3
4. CH3CH2CH2CONHCOCH3

Intermediates formed during reaction of [figure] with Br2 and KOH are

1. RCONHBr and RNCO
2. RNHCOBr and RNCO
3. RNH-Br and RCONHBr
4. RCONBr2

A reduction B CHCl3/KOH C reduction N-methylaniline then A is

1. [figure]
2. [figure]
3. CH3NH2
4. [figure]