Question

Account for the following:
Ethylamine is soluble in water, whereas aniline is not.

Solution

In C₂H₅NH₂, the C₂H₅ group has a + I effect and increases the electron density on N atom. This results in stronger intermolecular H-bonding. While in C₆H₅NH₂ due to resonance, N acquires a +ve charge and electron density on N decreases. The tendency to form H-bonding diminishes. Hence, ethylamine is soluble while C₆H₅NH₂ is insoluble.

Some More Questions From Amines Chapter

Classify the following amines as primary, secondary or tertiary:

Classify the following amines as primary, secondary or tertiary:
(C₂H₅)₂CHNH₂

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Amines

Account for the following:
Ethylamine is soluble in water, whereas aniline is not.

Some More Questions From Amines Chapter

Classify the following amines as primary, secondary or tertiary:

Classify the following amines as primary, secondary or tertiary:
(C₂H₅)₂CHNH₂

Classify the following amines as primary, secondary or tertiary:
(C₂H₅)₂NH

Write structures of different isomeric amines corresponding to the molecular formula C₄H₁₁N.

Write IUPAC names of all the isomers.

What type of isomerism is exhibited by different pairs of amines?

How will you convert Benzene into N, N-dimethylaniline?

Arrange the following in increasing order of their basic strength:
C₂H₅NH_2, C₆H₅NH₂, NH₃, C₆H₅CH₂NH₂ and (C₂H₅)₂NH

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

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Amines

Account for the following:Ethylamine is soluble in water, whereas aniline is not.

Some More Questions From Amines Chapter

Classify the following amines as primary, secondary or tertiary:

Classify the following amines as primary, secondary or tertiary:(C2H5)2CHNH2

Classify the following amines as primary, secondary or tertiary:(C2H5)2NH

Write structures of different isomeric amines corresponding to the molecular formula C4H11N.

Write IUPAC names of all the isomers.

What type of isomerism is exhibited by different pairs of amines?

How will you convert Benzene into N, N-dimethylaniline?

Arrange the following in increasing order of their basic strength:C2H5NH2, C6H5NH2, NH3, C6H5CH2NH2 and (C2H5)2NH

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Account for the following:
Ethylamine is soluble in water, whereas aniline is not.

Classify the following amines as primary, secondary or tertiary:
(C₂H₅)₂CHNH₂

Classify the following amines as primary, secondary or tertiary:
(C₂H₅)₂NH

Write structures of different isomeric amines corresponding to the molecular formula C₄H₁₁N.

Arrange the following in increasing order of their basic strength:
C₂H₅NH_2, C₆H₅NH₂, NH₃, C₆H₅CH₂NH₂ and (C₂H₅)₂NH