Methods of Preparation of Alkenes | F.Sc | MDCAT I NCERT | CBSE Board | JEE | NEET I Wajid Ali

Lecture Screenshot: https://drive.google.com/file/d/1F-wl... Methods of Preparation of Alkenes | F.Sc | MDCAT I NCERT | CBSE Board | JEE | NEET I Wajid Ali In this video, we cover all major methods used to prepare alkenes, including mechanisms, reagents, stability of products, and exam-oriented concepts. This lecture is perfect for FSc, CBSE, ICSE, IIT-JEE, NEET, MDCAT, and all competitive examinations. ⭐ Topics Explained in This Video 1️⃣ Dehydrohalogenation of Alkyl Halides (β-Elimination) ✔ Removal of HX from haloalkanes ✔ Role of alcoholic KOH, NaOC₂H₅, NaOCH₃ ✔ Regioselectivity (Zaitsev rule: major vs minor product) ✔ Conversion of 2-bromobutane → 2-butene (major) ✔ E1 vs E2 mechanism basics 2️⃣ Dehydration of Alcohols ✔ Removal of water using H₂SO₄, H₃PO₄, P₂O₅, Al₂O₃ ✔ Order of reactivity of alcohols: tertiary secondary primary ✔ Mechanism: Carbocation formation → alkene ✔ Temperature conditions (85°C, 100°C, 140–170°C) 3️⃣ Dehalogenation of Vicinal Dihalides ✔ Removal of X₂ from adjacent carbons ✔ Zinc in methanol (Zn/CH₃OH) ✔ Distinction between geminal & vicinal dihalides ✔ Formation of alkenes from vicinal dibromides 4️⃣ Partial Hydrogenation of Alkynes ✔ Controlled hydrogenation to form cis-alkenes ✔ Lindlar’s Catalyst (Pd/BaSO₄ + quinoline) ✔ Formation of trans-alkenes using Birch reduction (Na NH₃ at -33°C) ✔ Complete hydrogenation vs selective reduction 🎯 This Video Helps You Understand ✔ How different reagents convert alkanes/alkynes/alcohols into alkenes ✔ Why some alkenes form major vs minor products ✔ Stereochemistry of alkene formation (cis vs trans) ✔ Exam-focused shortcuts and mechanisms 📌 Perfect For ✔ Class 11 & 12 (FSc, CBSE, ICSE) ✔ NEET & JEE aspirants ✔ MDCAT / ECAT Chemistry ✔ Teachers preparing lecture notes ✔ Students revising hydrocarbons CBSE, CISCE (ISC), NIOS IB, IGCSE • Board of Intermediate Education, Andhra Pradesh • Assam Higher Secondary Education Council • Bihar School Examination Board • Chhattisgarh Board of Secondary Education • Goa Board of Secondary & Higher Secondary Education • Gujarat Secondary & Higher Secondary Education Board • Haryana Board of School Education • Himachal Pradesh Board of School Education • Jammu & Kashmir State Board of School Education • Jharkhand Academic Council • KSEAB • Kerala Board of Higher Secondary Education • Maharashtra State Board of Secondary & Higher Secondary Education • Madhya Pradesh Board of Secondary Education • Council of Higher Secondary Education, Manipur • Meghalaya Board of School Education • Mizoram Board of School Education • Nagaland Board of School Education • Council of Higher Secondary Education, Odisha • Punjab School Education Board • Board of Secondary Education, Rajasthan • Tamil Nadu State Board (Board of Higher Secondary Examinations) • Tripura Board of Secondary Education • Uttar Pradesh State Board of High School & Intermediate Education • Uttarakhand Board of School Education • West Bengal Council of Higher Secondary Education • Board of Intermediate and Secondary Education, Barisal • Board of Intermediate and Secondary Education, Chattogram (Chittagong) • Board of Intermediate and Secondary Education, Cumilla • Board of Intermediate and Secondary Education, Dhaka • Board of Intermediate and Secondary Education, Dinajpur • Board of Intermediate and Secondary Education, Jashore (Jessore) • Board of Intermediate and Secondary Education, Mymensingh • Board of Intermediate and Secondary Education, Rajshahi CBSE, JEE, NEET prep CBSE, NCERT, JEE, NEET Similar to top online learning platforms like Vedantu, Unacademy & PhysicsWallah, this lecture will help Class 12 students prepare effectively for CBSE, JEE, and NEET.” #chemistry11 #wakacademy #intermediate #chemistry #firstyearchemistry #biselahore #WajidAliKamboh #wajidalikamboh #wak #neet #aieee #etea #net ▬ Facebook Pages ▬ WAK Academy:   / wakacademyofficial   WAK Publishers:   / wakpublishersofficial   @wakacademy