📅 Published on: 24.12.2025
Surface Chemistry JEE Mains PYQs – Complete Concept & Previous Year Analysis
Surface Chemistry is one of the most scoring chapters in Physical Chemistry. Every year, Surface Chemistry JEE Mains PYQs appear as direct and concept-based questions. With limited theory and repeated patterns, this chapter offers high returns with minimum effort.
Download Surface Chemistry JEE Mains PYQs PDF
Why Surface Chemistry JEE Mains PYQs Are Important
Practicing Surface Chemistry JEE Mains PYQs helps students understand how NCERT concepts are converted into exam questions. Most questions are direct, theory-based, and require conceptual clarity rather than lengthy calculations.
- 1–2 questions appear almost every year
- Mostly NCERT-based theory
- Very less numerical calculation
- High accuracy with proper revision
Important Topics from Surface Chemistry for JEE Main
Adsorption
- Physical vs Chemical adsorption
- Factors affecting adsorption
- Freundlich adsorption isotherm
- Langmuir adsorption isotherm
Catalysis
- Homogeneous and heterogeneous catalysis
- Role of catalyst in reaction mechanism
- Enzyme catalysis
Colloids
- Classification of colloids
- Tyndall effect
- Brownian movement
- Coagulation and Hardy–Schulze rule
Surface Phenomena
- Surface tension
- Emulsions and emulsifying agents
- Micelles and CMC
Trend Analysis of Surface Chemistry JEE Mains PYQs
Analysis of previous year questions clearly shows that adsorption and colloids dominate this chapter. Statement-based and assertion–reason questions are common.
- Direct conceptual MCQs
- Matching-type questions
- Graph-based adsorption questions
Sample Surface Chemistry JEE Mains PYQs
Q1. Physical adsorption increases with increase in:
a) Temperature b) Volume c) Surface area d) Reaction rate
Q2. Which system shows Tyndall effect?
a) True solution b) Suspension c) Colloidal solution d) Saturated solution
Q3. A catalyst mainly works by:
a) Changing equilibrium b) Increasing temperature c) Lowering activation energy d) Increasing yield
Answers: Q1 – c | Q2 – c | Q3 – c
Conclusion
Surface Chemistry is one of the easiest chapters to score in JEE Main. With proper NCERT study and regular practice of Surface Chemistry JEE Mains PYQs, students can secure assured marks. Use the PDF for revision, focus on concepts, and this chapter will become your strength.
Frequently Asked Questions (FAQs) – Surface Chemistry JEE Mains PYQs
Yes, Surface Chemistry is a highly scoring chapter in JEE Main. Almost every year, 1–2 direct questions are asked from this topic.
Generally, 1 question is asked every year. Sometimes, 2 questions may appear depending on the paper shift.
Yes, most Surface Chemistry JEE Mains PYQs are theory-based and directly taken from NCERT concepts.
Adsorption, catalysis, colloids, emulsions, micelles, and surface tension are the most important topics.
Yes, NCERT is more than sufficient. Almost all questions are directly or indirectly based on NCERT lines.
Numerical questions are very rare. Most questions are conceptual, statement-based, or definition-oriented.
Revise NCERT definitions, adsorption graphs, types of colloids, and practice previous year questions for quick recall.
Yes, many concepts and question patterns from Surface Chemistry are repeated across different years.
Yes, it is considered one of the easiest chapters in Physical Chemistry due to its short syllabus and direct questions.
Yes, solving PYQs along with NCERT revision is usually enough to score full marks from this chapter.
