SN2 Reaction Explained (Organic Chemistry)

This is an organic chemistry tutorial explaining SN2 Reaction and factors affecting SN2 reactions.

Even if there’s no stereochemistry involved, SN2 reactions still follow the same key principles:
✅ Backside attack of the nucleophile
✅ One-step mechanism (concerted reaction)
✅ Inversion of the bonding arrangement—if stereocenters were present

Think of it like opening a door: the nucleophile pushes from one side while the leaving group exits from the opposite side.

That’s the SN2 reaction in a nutshell!

But what really makes SN2 reactions unique?
✅ Strong nucleophile
✅ Polar aprotic solvent
✅ Less steric hindrance = faster reaction

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