STANDARDChemistry-Amines

STANDARD Chemistry Basicity of Amines MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Which of the following orders is true regarding the basic nature of NH₂ group?

Question diagram
A

o-Toluidine > Aniline > o-Nitroaniline

B

o-Toluidine < Aniline > o-Nitroaniline

C

o-Toluidine < Aniline < o-Nitroaniline

D

o-Toluidine > Aniline < o-Nitroaniline

Correct Answer

Option B

Detailed Explanation

Ortho-substituted anilines are weaker bases than anilines regardless of the nature of the substituent whether electron releasing or electron withdrawing. This is called ortho effect and is probably due to a combination of steric and electronic factors.

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