Phenols One-Shot (No part two) | Full Chapter | NEB Class 12 Organic Chemistry
Автор: StepUp Academy
Загружено: 2026-02-17
Просмотров: 7
Описание:
This Phenols One-Shot video covers the entire NEB Class 12 Chemistry syllabus of Phenol in one complete lecture.
Ideal for board exam preparation, reaction mastery, and quick revision.
📌 Topics Covered:
⏱️ Timestamps – Phenols (NEB Class 12)
0:00 Background
0:46 Introduction
1:04 Classification
2:00 Nomenclature
7:19 Methods of Preparation
7:50 Dow’s Process (from Chlorobenzene)
8:26 From BDC (Benzenediazonium Chloride)
9:57 From Sodium Benzene Sulphonate
Chemical Properties:
12:08 Chemical Properties
12:14 Acidic Nature of Phenol
13:05 Resonance
17:08 Stability: Phenol vs Phenoxide Ion
19:42 Factors Affecting Acidity
21:26 Acidity: Phenol vs Alcohol vs Carboxylic Acid
Action with Reagents:
23:20 Action with NH₃, Zn, Na & PCl₅
24:30 Action with BDC
25:45 Action with Phthalic Anhydride
26:52 Action with Acid Halide / Anhydride
Named Reactions:
27:53 Reimer–Tiemann Reaction
28:45 Kolbe’s Carboxylation Reaction
Electrophilic Substitution:
29:20 Reactions due to Benzene Ring
29:40 Nitration, Halogenation & Sulphonation
31:26 Friedel–Crafts Alkylation & Acylation
33:45 Old is Gold (New Course)
41:35 Outro & Recap
🎯 Best for:
NEB Board Exam • Class 12 Chemistry • Organic Reactions • One-Shot Revision
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