Zero Order Reaction
Zero Order Reaction Kinetics
Zero order reaction kinetics in chemistry define the rate of chemical reaction in terms of reactant and product per unit time....
Hard Soft Acid Base
Hard Soft Acid Base List
Hard soft acid base theory or HSAB principle was proposed by Ralph Pearson in 1963. HSAB principle proposed that the...
f block Elements
f Block Elements on Periodic Table
f block elements appear in two chemical series like 4f block names as lanthanides or rare earth elements and...
Quantum Number
Quantum Numbers and Atomic Orbitals
Quantum numbers such as principal, azimuthal, magnetic, and spin quantum number are the identification number of an electron present in...
pH Scale
How to Calculate pH and pOH of a Solution?
pH and pOH scale define and measure the acidity and basicity of neutral, acidic, and basic...
Le Chatelier Principle
Chemical Equilibrium and Le Chatelier's Principle
Le Chatelier's principle in chemistry predicts the effect on the system at chemical equilibrium when some of the factors...
Atomic Theory Questions
Atomic Theory Multiple Choice Questions
Atomic theory multiple choice questions or quizzes set in online learning chemistry for school college students provide 9 practice problems...
Alkenes Olefins
Alkene or Olefin in Organic Chemistry
Alkenes names as olefins like ethylene, propylene, butylene, etc are unsaturated hydrocarbon containing at least one double or olefinic...
Chemical Kinetics
Chemical Kinetics in Chemistry
Chemical kinetics is the branch of physical chemistry concerned with the rate change of concentration of reactants and products of chemical...
Graham’s Law
Graham's Law of Diffusion
Graham's Law of diffusion and effusion in chemistry was proposed by Scottish physical chemist Thomas Graham in 1948 to study the...









