Basicity-2 | General Organic Chemistry | CSIR NET DEC 2026 | Lec-07 | IFAS

Basicity-2 | General Organic Chemistry | CSIR NET DEC 2026 | Lec-07 | IFAS explained with clear concepts and exam-focused approach. Master ring-size basicity, Walden inversion, and aromaticity/anti-aromaticity tricks with PYQs for CSIR NET Chemistry aspirants. 🔥Join India's Best Coaching for CSIR NET and GATE Exams: https://ifasonline.com/csir-net/chemi... 📞 Need Guidance? Call/WhatsApp: 9172266888 ━━━━━━━━━━━━━━━━━━━━━━━━━ ⏳ Lecture Timeline: [00:00:00] – Introduction of Basicity-2 [00:04:15] – Concept: Ring Size & Basicity (Angle Strain) [00:05:22] – Question: Basicity Order of 3,4,5,6‑Membered Rings [00:06:47] – Concept: %s‑Character & Electronegativity [00:10:17] – Important: 6‑Membered Ring‑Fluxional Lone Pair [00:11:00] – Question: Basicity Order with Walden Inversion [00:14:16] – Concept: Walden Inversion (Umbrella Flipping) [00:17:22] – Question: Order of Basicity of Anions [00:19:21] – Trick: –M, –I Effect and Distance [00:20:33] – Question: Guanidine Basicity Order [00:22:24] – Question: Basicity with Hybridisation [00:23:48] – Concept: Localised vs Delocalised Lone Pairs [00:24:52] – Question: Deprotonation / Carbanion Stability [00:27:57] – Revision: Acidity Order of Same Compounds [00:29:31] – Question: pKa Order (Methanol, TFA, Phenol) [00:34:22] – Question: pKa Values of X, Y, Z (Annulation Effect) [00:37:36] – Question: Bond Dissociation Energy (C–H) [00:41:29] – Question: Carbocation Stability Order [00:48:36] – Concept: Aromaticity – Hückel’s Rule [00:55:07] – Concept: Non‑Aromatic vs Anti‑Aromatic [01:03:03] – Examples: 3‑Membered Ring Aromaticity [01:08:20] – Examples: 4‑Membered Ring & Homoaromatic [01:15:34] – Examples: 5‑Membered Ring Aromaticity [01:20:03] – Homework: 6‑Membered Ring Examples [01:22:02] – Complete Session (Basicity‑2 ) ━━━━━━━━━━━━━━━━━━━━━━━━━ 📖 Topics Covered in This Lecture: • Ring‑Size Basicity Order: 3‑, 4‑, 5‑, 6‑Membered Rings & S‑Character Tricks • Walden Inversion & Lone‑Pair Availability for Basicity • Acidity & pKa Order: Methanol, TFA, Phenol, Benzyl Alcohol • Bond Dissociation Energy & Carbocation Stability PYQ • Aromaticity: Hückel’s Rule, Homoaromatic & Anti‑Aromatic Concepts ━━━━━━━━━━━━━━━━━━━━━━━━━ 📚 Lecture Summary: In this session, IFAS Expert Faculty focuses on basicity concepts in General Organic Chemistry, covering ring-size effects, Walden inversion, pKa ordering, bond dissociation energy, carbocation stability, and introduction to aromaticity. The lecture uses PYQ‑based problem‑solving and tricks to master basicity for CSIR NET DEC 2026. ━━━━━━━━━━━━━━━━━━━━━━━━━ 🎓 This lecture is highly beneficial for students preparing for: ✅ CSIR NET Chemical Science ✅ GATE Chemistry ✅ SET Chemistry ✅ TIFR Chemistry ✅ BARC / DRDO / ISRO Exams ✅ PhD Entrance Exams ━━━━━━━━━━━━━━━━━━━━━━━━━ 🏆 Why IFAS is India’s No. 1 Choice for CSIR NET & GATE Chemistry? (Our Results Speak): ✅ CSIR NET Dec 2025: 4000+ Selections (AIR 3, 8, 9.....) ✅ CSIR NET June 2025: 4200+ Selections (AIR 1, 2, 6, 10...) ✅ CSIR NET Dec 2024: 4000+ Selections (AIR 5, 6, 7, 8, 9...) ✅ CSIR NET June 2024: 2000+ Selections (AIR 3, 10, 13...) ✅ CSIR NET Dec 2023: 1200+ Selections (AIR 2, 4, 5...) 📄 View IFAS Result Sheet: 👉 https://drive.google.com/file/d/1THh6... ━━━━━━━━━━━━━━━━━━━━━━━━━ 🔗 Important Links: 🌍 Visit our Website: https://ifasonline.com 📞 Contact for Queries: 9172266888 📘 Free Counselling: https://ifasonline.com/csir-net/chemi... ━━━━━━━━━━━━━━━━━━━━━━━━━ 🔗 India's Best Online Classes and Books: 🔥CSIR NET Chemical Science Live & Recorded Course: https://ifasonline.com/csir-net/chemi... 🎯 GATE Chemistry Recorded Course: https://ifasonline.com/gate/chemistry... 📘CSIR NET Chemical Science Books: https://ifasonline.com/csir-net/chemi... ━━━━━━━━━━━━━━━━━━━━━━━━━ 📲 Download IFAS App: Android: https://play.google.com/store/apps/de... IOS: https://apps.apple.com/us/app/ifas/id... ━━━━━━━━━━━━━━━━━━━━━━━━━ Stay Updated Via Other Social Media: ✔Telegram: https://t.me/NET_GATE_SET_ChemistryDi... ✔Instagram:   / csir_net_chemical_science   #generalorganicchemistry #basicity #gatechemistry #csirnetchemistry #csirnetdec2026 #csirnetlecture #ifaschemistry