Surface chemistry Topics - IIT JEE Syllabus

1

Adsorption

2m1/10

📌 Key FormulaAccumulation of species on surface.

2

Physisorption and chemisorption and their characteristics

2m1/10

📌 Key FormulaDifferences in forces and energy.

3

Factors affecting adsorption of gases on solids

2m1/10

📌 Key FormulaPressure, temperature, surface area, nature of gas.

4

Freundlich and Langmuir adsorption isotherms, adsorption from solutions

2m3/10

📌 Key Formulax/m = k P^{1/n} (Freundlich), θ = kP/(1+kP) (Langmuir)

5

Catalysis - Homogeneous and heterogeneous

2m1/10

📌 Key FormulaCatalyst in same phase or different phase.

6

Activity and selectivity of solid catalysts

2m1/10

📌 Key FormulaAbility to accelerate and choose reaction.

7

Enzyme catalysis and its mechanism

2m1/10

📌 Key FormulaLock and key model.

8

Colloidal state

2m1/10

📌 Key FormulaIntermediate between true solution and suspension.

9

Distinction among true solutions, colloids and suspensions

2m1/10

📌 Key FormulaParticle size range.

10

Classification of colloids

lyophilic, lyophobic, multimolecular, macromolecular, and associated colloids (micelles)

2m2/10

📌 Key FormulaBased on affinity and particle size.

11

Preparation and properties of colloids

2m2/10

📌 Key FormulaMethods of preparation, properties like Tyndall effect, Brownian motion.

12

Tyndall effect

2m1/10

📌 Key FormulaScattering of light by colloidal particles.

13

Brownian movement

2m1/10

📌 Key FormulaZig-zag motion due to bombardment.

14

Electrophoresis

2m1/10

📌 Key FormulaMovement of colloidal particles under electric field.

15

Dialysis

2m1/10

📌 Key FormulaRemoval of electrolytes from colloids.

16

Coagulation and flocculation

2m1/10

📌 Key FormulaSettling of colloidal particles.

17

Emulsions and their characteristics

2m1/10

📌 Key FormulaColloids of liquids, e.g., milk.