Organic Compounds Containing Nitrogen Test

Result

Organic Compounds Containing Nitrogen Test - 4

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Weekly Quiz Competition

Question 1
1 / -0

The following question has four choices out of which ONLY ONE is correct.

The correct order of basic nature of the following amines is

A
NH₃ > CH₃NH₂ > C₆H₅NH₂

B
C₆H₅NH₂ > NH₃ > CH₃NH₂

C
CH₃NH₂ > NH₃ > C₆H₅NH₂

D
None of these

Solution

Amines are basic in nature due to presence of lone pair of electrons at nitrogen atom. Electron donating groups (e.g. alkyl) increase the basicity of amines and electron withdrawing groups (e.g. phenol) decrease the basicity of amines.

(i) CH₃NH₂ is more basic than NH₃ due to presence of electron donating methyl group.
(ii) C₆H₅NH₂ is less basic than NH₃ due to presence of electron withdrawing phenyl group.

∴The correct order of basic nature is CH₃NH₂ > NH₃ > C₆H₅NH₂.
Question 2
1 / -0

The following question has four choices out of which ONLY ONE is correct.

On which of the following amines does carbylamine reaction not apply?

A
Methyl amine

B
Ethyl amine

C
Ethyl methyl amine

D
n-Propylamine

Solution

Secondary and tertiary amines do not give carbylamine reaction. Hence, ethyl methyl amine will not give carbylamine reaction.