Class 12 · Chemistry · Ch

Formative-only topics (not in board exam)

Surface Chemistry

JEE Medium ~5h to learn

Not started

8 concepts to cover

8 concepts

Adsorption: physisorption vs chemisorptionFreundlich adsorption isothermCatalysis (homogeneous, heterogeneous, enzyme)Colloids vs true solutions and suspensionsLyophilic and lyophobic solsTyndall effect and Brownian motionCoagulation (Hardy-Schulze)Emulsions and micelles

Clear one concept (5-15 min)

Stuck on one topic? Watch a short explainer instead of a full lecture.

Adsorption: physisorption vs chemisorption

Freundlich adsorption isotherm

Catalysis (homogeneous, heterogeneous, enzyme)

Colloids vs true solutions and suspensions

Pro feature

Hand-picked chapter videos

Unlock everything for ₹999/year — tests, notes, predictor, Genie and all updates.

~~₹2,999~~ · launch offer for the first 100 students

See what's free and what's Pro

Recommended teachers Pro

All teachers

Magnet Brains

1.4 Cr subsHinglishClass 9, 10, 11, 12

MathsScienceSSTPhysicsChemBioCBSE

Slow, classroom-style chapter-wise lecture series covering every NCERT topic and exercise - a free full course, not a one-shot.

Best for: Starting a chapter from zero, and NCERT exercise solutions; best free full-course playlists. · c10-mat · c11-phy

Open channel

Physics Wallah - Alakh Pandey

1.4 Cr subsHinglishClass 11, 12

PhysicsChemBioMathsJEENEET

High-energy, story-driven concept building followed by lots of PYQs; very long complete-syllabus one-shots.

Best for: Physics for NEET, especially mechanics and electrostatics; whole-subject marathons before the exam. · c11-phy

Open channel

Competition Wallah

48.5 L subsHinglishClass 11, 12

PhysicsChemBioNEET

Concept + tricks + PYQ one-shots and whole-subject Maharevisions aimed at NEET scoring.

Best for: NEET botany (NCERT line-by-line) and NEET physics formula-heavy chapters. · c11-bio · c11-phy

Open channel

Doubtnut

39.9 L subsHinglishClass 9, 10, 11, 12

MathsPhysicsChemBioCBSEJEENEET

Millions of short question-specific solution videos (search by the exact question).

Best for: A single stuck question or NCERT exercise problem.

Open channel

Pro feature

Recommended teachers

Unlock everything for ₹999/year — tests, notes, predictor, Genie and all updates.

~~₹2,999~~ · launch offer for the first 100 students

See what's free and what's Pro