Visual Guide
Chemical Bonding
Hybridization: sp, sp², sp³ Visualized
Stop memorizing bond angles. See exactly how orbitals mix to form Methane, Ethene, and Ethyne.
HSC Hot Topic
Organic Chemistry
Benzene Resonance: The Stability Mystery
Why doesn't Benzene react like Alkene? The secret lies in the delocalized pi-electron cloud.
Deep Dive
Reaction Mechanism
SN1 vs SN2: Reaction Mechanisms Explained
Confused by Nucleophilic Substitution? We break down the 1-step vs 2-step process.
Quantum
Atomic Structure
Quantum Numbers & Orbital Shapes
What do s, p, d, f orbitals actually look like? A 3D tour of the quantum world.
pH = ?
Admission Hack
Math Tricks
Calculate pH Without a Calculator
Essential for Dhaka University (DU) Admission test. Learn the log shortcut technique.