AminesHandwritten Notes
Amines is one of the most reaction-heavy organic chapters in Class 12 — but every reaction is rule-driven once you sort out 1°/2°/3° behaviour. These handwritten notes by Paaras Sir cover preparation, basicity, distinguishing tests, and diazonium chemistry with worked examples.
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Frequently Asked Questions
Why are aromatic amines less basic than aliphatic amines?+
Aromatic amines have the lone pair delocalised into the ring, which reduces availability for protonation. The notes show the resonance structures and quantify the pKb difference between aniline and methylamine.
Are all diazonium-salt coupling reactions covered?+
Yes — coupling with phenols (alkaline) and aromatic amines (acidic) is drawn with the position of attack, plus Sandmeyer (CuCl/CuBr) and Gattermann (Cu/HCl) substitutions for halides.
Is the Hinsberg test included?+
Yes. Reactions of 1°, 2°, and 3° amines with benzenesulfonyl chloride are drawn, with the basis for separation (alkali-soluble vs insoluble vs unreactive) tabulated.
These handwritten notes are written by Paaras Sir at Canvas Classes and follow the NCERT Class 12 Chemistry syllabus prescribed by CBSE for the 2025-26 session. Free to read online or download as PDF — no login required.