Atomic Structure (Class 11): Quantum Numbers and Electronic Configuration Explained
What each quantum number actually tells you, the three filling rules, and why chromium and copper break the pattern.
ABC Chemistry – Best Chemistry Coaching in Dwarka, Delhi
Tag: Physical Chemistry
Ionic Equilibrium (Class 11): pH, Buffers and Solubility Product Solved
The logarithm work that trips students up, the Henderson equation, and why a buffer resists pH change at all.
Thermodynamics (Class 11): First Law, Enthalpy and Hess’s Law Made Simple
Sign conventions, the difference between ΔU and ΔH, and how Hess’s law turns an impossible measurement into simple arithmetic.
Solutions and Colligative Properties (Class 12): Formulas Plus Solved Numericals
Raoult’s law, the four colligative properties, and the van’t Hoff factor that decides whether your answer is right or half right.
Chemical Kinetics (Class 12): Rate Law, Order and Half-Life Made Simple
Order versus molecularity, the integrated rate equations you are actually asked to use, and where students lose marks in kinetics numericals.
Electrochemistry (Class 12): Kohlrausch’s Law & Conductance, Made Simple
Understand molar conductivity and use Kohlrausch law to find values for weak electrolytes, with a solved acetic acid example.
Mole Concept & Stoichiometry (Class 11 Chemistry): Formulas + Solved Numericals
Master the Class 11 mole concept and stoichiometry with three key formulas and solved numericals on mass, molecules and limiting reagents.
Nernst Equation Numericals for Class 12 Chemistry (Solved Step by Step)
Solve Class 12 Chemistry electrochemistry numericals using the Nernst equation E = E° − (0.0591/n) log Q, with two fully worked board-style examples and common mistakes to avoid.