Most Probable Questions | Organic Chemistry | CSIR NET JULY 2026 | Lec-10 | IFAS

Most Probable Questions | Organic Chemistry explained with clear concepts and exam-focused approach. Master high‑yield organic reagents, oxidation‑reduction tricks, protection‑deprotection, and named reactions for CSIR NET July 2026, GATE & SET with PYQ‑based problem‑solving. 🔥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 Most Probable Questions [00:06:15] – Question 1: TBS Deprotection & Wittig Reaction [00:10:17] – Question 2: DDQ Deprotection & PCC Oxidation [00:12:58] – Question 3: PCC, Organolithium & TBS Protection [00:17:32] – Question 4: Chair Form & Equatorial vs Axial Protection [00:20:48] – Question 5: Epoxide Opening & LiAlH4 Reduction [00:23:28] – Question 6: Base-Mediated Protection & PCC [00:26:56] – Important: Swern Oxidation vs Substitution (Base/No Base) [00:30:24] – Question 8: IBX Selective Oxidation (1 eq vs 2 eq) [00:35:17] – Question 10: BaMnO4 (Allylic Oxidation First) [00:37:30] – Question 11: Lactol Formation & Equivalents Effect [00:43:38] – Reaction: Acyloin Condensation Mechanism [00:53:07] – Important: Reagents Converting to Acid (KMnO4, Pinnick, Jones) [01:00:47] – Reagent: Zn(BH4)2 – Acid Reduction & Hydroboration [01:02:23] – Question 14: Tosyl Hydrazone Reduction (C=N Cleavage) [01:05:41] – Trick: NaBH4 Stereochemistry (Opposite to Bulky Group) [01:10:27] – MPV Reduction vs Oppenauer Oxidation [01:18:50] – Trick: CBS Reduction Stereochemistry [01:52:10] – Hydroboration: Acidic Workup (H Instead of OH) [01:55:37] – Oppenauer Oxidation (Alcohol → Ketone) [01:59:33] – Baeyer-Villiger Oxidation vs Epoxidation [02:06:50] – Reaction: Birch Reduction Mechanism [02:08:42] – Reaction: Li/EtNH2 – C–O Bond Cleavage [02:14:40] – Reagent: Rosenmund Reduction (Acid Chloride → Aldehyde) [02:19:01] – Reaction: HWE Reaction → E-Alkene [02:25:24] – Question 17: Alkyl Nitrile α-Oxidation [02:27:27] – Complete Session (Most Probable Questions ) ━━━━━━━━━━━━━━━━━━━━━━━━━ 📖 Topics Covered in This Lecture: • Reagents: PCC, DMSO, LiAlH₄, NaBH₄ Selectivity Tricks • Oxidation: Swern, Oppenauer, Manganese Reagents PYQ • Reduction: Birch, Luche, MPV & NaBH₄ Problems • Protection/Deprotection: TBS, PMB, Silyl Ethers Concepts • Wittig, Appel, Mids Nob Reaction Mechanisms • Sharpless Epoxidation & AD‑mix α/β Stereochemistry • Most Probable Organic Chemistry Questions Revision ━━━━━━━━━━━━━━━━━━━━━━━━━ 📚 Lecture Summary: In this session, IFAS Expert Faculty focuses on most probable organic chemistry questions for CSIR NET July 2026, covering high‑yield reagents, oxidation/reduction selectivity, protection/deprotection logic, and named reactions like Wittig, Appel, and Sharpless epoxidation. Stepwise mechanisms and stereochemical outcome tricks are discussed with PYQ relevance. This rapid revision of organic chemistry reagents and named reactions equips you to tackle most probable questions confidently. ━━━━━━━━━━━━━━━━━━━━━━━━━ 🎓 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   #organicchemistry #mostprobablequestions #csirnetjuly2026 #csirnetchemicalscience #gatechemistry #csirnetchemistry #csirnetjune2026 #csirnetlecture #ifaschemistry