AS Chemistry 9701 | Halogenoalkanes: SN1 & SN2 Mechanisms | MEGA Lecture

Recorded: Wednesday, 4 February 2026 at 9:40 PM PKT Recorded AS-Level Chemistry (CAIE 9701) class with Sir Fahad at MEGA Lecture — nucleophilic substitution of halogenoalkanes: The SN1 and SN2 nucleophilic substitution mechanisms Why SN2 favours primary halogenoalkanes while SN1 favours tertiary The one-step SN2 attack and its stereochemistry (nucleophile attacks opposite the leaving group) The role of the nucleophile (OH-, CN-) and the leaving halide ion Worked examples predicting the product and the mechanism Join our WhatsApp group for free resources & class updates: https://chat.whatsapp.com/DpOZZDdLYo0... Fahad H. Ahmad: +92 323 509 4443 Book a Free Trial Class: https://www.megalecture.com #ASChemistry #9701 #CAIE #Halogenoalkanes #MEGALecture