Amines Chapter-Wise Test 15

Correct answer Carries: 4.

Wrong Answer Carries: -1.

Which amine forms \( \ce{CH3CH2CH2OH} \) on reaction with \( \ce{HNO2} \)?

Propan-1-amine (\( \ce{CH3CH2CH2NH2} \)) reacts with \( \ce{HNO2} \) to form propan-1-ol (\( \ce{CH3CH2CH2OH} \)) and \( \ce{N2} \), as per the PDF’s chemical properties.

\( \ce{CH3CH2CH2NH2} \)
\( \ce{(CH3CH2)2NH} \)
\( \ce{(CH3)3N} \)
\( \ce{CH3NHCH2CH3} \)
1

The reaction of \( \ce{C6H5NH2} \) with excess \( \ce{Br2} \) in water produces a compound with how many carbon atoms?

Aniline (\( \ce{C6H5NH2} \), 6C) forms 2,4,6-tribromoaniline (\( \ce{C6H2Br3NH2} \)), retaining 6 carbon atoms, as per the PDF’s chemical properties.

5
7
8
6
4

The product of \( \ce{C6H5NH2} \) reacting with \( \ce{(CH3CO)2O} \) is:

Aniline (\( \ce{C6H5NH2} \)) reacts with acetic anhydride (\( \ce{(CH3CO)2O} \)) to form acetanilide (\( \ce{C6H5NHCOCH3} \)), as per the PDF’s acetylation reaction.

\( \ce{C6H5CH3} \)
\( \ce{C6H5NHCOCH3} \)
\( \ce{C6H5NHCH3} \)
\( \ce{CH3CONH2} \)
2

The product of \( \ce{C6H5NO2} \) reduction with \( \ce{H2/Ni} \) is:

Reduction of nitrobenzene (\( \ce{C6H5NO2} \)) with \( \ce{H2/Ni} \) yields aniline (\( \ce{C6H5NH2} \)), a primary aromatic amine, as per the PDF’s preparation methods.

\( \ce{C6H5OH} \)
\( \ce{C6H6} \)
\( \ce{C6H5NHCH3} \)
\( \ce{C6H5NH2} \)
4

The compound \( \ce{CH3CH2CH2NH2} \) is classified as:

\( \ce{CH3CH2CH2NH2} \) has one alkyl group attached to nitrogen, making it a primary aliphatic amine, as per the PDF’s classification.

Secondary aliphatic amine
Tertiary aliphatic amine
Primary aromatic amine
Primary aliphatic amine
4

The product of \( \ce{CH3CH2CH2NH2} \) with \( \ce{CHCl3} \) and alcoholic KOH is:

Propan-1-amine (\( \ce{CH3CH2CH2NH2} \)) forms propyl isocyanide (\( \ce{CH3CH2CH2NC} \)) in the carbylamine reaction, as per the PDF.

\( \ce{CH3CH2CH2OH} \)
\( \ce{CH3CH2CH2NC} \)
\( \ce{CH3CH2CH2Cl} \)
\( \ce{CH3CH2NH2} \)
2

Which amine has the highest boiling point among the following?

Butan-1-amine (\( \ce{CH3CH2CH2CH2NH2} \)) has the longest chain and strong hydrogen bonding, giving it the highest boiling point, as per the PDF’s physical properties.

\( \ce{CH3NH2} \)
\( \ce{CH3CH2CH2CH2NH2} \)
\( \ce{(CH3CH2)2NH} \)
\( \ce{(CH3)3N} \)
2

Which test distinguishes primary aliphatic amines by producing \( \ce{N2} \) gas?

The nitrous acid test (\( \ce{HNO2} \)) with primary aliphatic amines produces an alcohol and \( \ce{N2} \) gas, as per the PDF’s chemical properties.

Nitrous acid test
Hinsberg test
Carbylamine test
Bromine water test
1

The product of \( \ce{C6H5NH2} \) reacting with \( \ce{CH3COCl} \) is:

Aniline (\( \ce{C6H5NH2} \)) reacts with acetyl chloride (\( \ce{CH3COCl} \)) to form acetanilide (\( \ce{C6H5NHCOCH3} \)), as per the PDF’s acetylation.

\( \ce{C6H5CH3} \)
\( \ce{C6H5NHCOCH3} \)
\( \ce{C6H5NHCH3} \)
\( \ce{CH3CONH2} \)
2

Which of the following is a correct preparation method for \( \ce{CH3CH2NH2} \)?

Ethylamine (\( \ce{CH3CH2NH2} \)) can be prepared by reducing nitroethane (\( \ce{CH3CH2NO2} \)) with \( \ce{H2/Ni} \), as per the PDF’s preparation methods.

\( \ce{CH3CH2NO2} + \ce{H2/Ni} \)
\( \ce{CH3Cl} + \ce{KOH} \)
\( \ce{CH3CH2OH} + \ce{HCl} \)
\( \ce{CH3CHO} + \ce{Br2} \)
1

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