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The lone pair on nitrogen allows amines to accept a proton, making them basic, as per the PDF’s basicity section.
Ref: NCERT Class 12 Chemistry > Chapter 13: Amines > Topic: Reaction with Nitrous Acid and Diazonium Salts - Part 1
In the gaseous phase, tertiary amines like (CH₃CH₂)₃N have the highest basicity due to maximum electron donation from three alkyl groups, as per the PDF.
Ref: NCERT Class 12 Chemistry > Chapter 13: Amines > Topic: Reaction with Nitrous Acid and Diazonium Salts - Part 1
Aniline (C₆H₅NH₂) is the weakest due to resonance delocalizing the nitrogen lone pair, as per the PDF’s basicity discussion.
Ref: NCERT Class 12 Chemistry > Chapter 13: Amines > Topic: Reaction with Nitrous Acid and Diazonium Salts - Part 1
Aniline (C₆H₅NH₂) has the lowest basicity due to resonance delocalizing the nitrogen lone pair, as per the PDF’s basicity section.
Ref: NCERT Class 12 Chemistry > Chapter 13: Amines > Topic: Reaction with Nitrous Acid and Diazonium Salts - Part 1
In aqueous solution, secondary amines like (CH₃)₂NH are stronger bases than primary (CH₃NH₂) and ammonia (NH₃) due to solvation and inductive effects, as per the PDF.
Ref: NCERT Class 12 Chemistry > Chapter 13: Amines > Topic: Chemical Reactions - Carbylamine Reaction and General Reactions
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