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ChemistryClass 12

Osmosis and the colligative properties. Only the solvent crosses the membrane, and only the NUMBER of particles matters — which is why the van't Hoff factor decides everything. 3-4 NEET questions every year.

Key Topics in this Chapter

Osmotic pressurevan't Hoff factorElevation of boiling pointDepression of freezing pointRaoult's law

Interactive 3D Labs for this Chapter

Osmosis & van't Hoff i

3D

Osmosis & Colligative Properties — Solvent Moves, the Solute Never Does

3-4 NEET questions

Ideal vs Non-Ideal 3D

3D

Ideal vs Non-Ideal: A-B Attraction in 3D

2-3 NEET questions

Henry's Law 3D

3D

Henry's Law: Gas Diving Into a Liquid

1-2 NEET questions

Boiling-Freezing Shift 3D

3D

Boiling-Freezing Shift 3D Lab

2-3 NEET questions

Raoult Vapour Surface 3D

3D

Raoult's Law at the Liquid Surface: Who Escapes?

3-4 NEET questions

Van't Hoff Factor 3D

3D

Van't Hoff Factor Particle Count 3D Lab

2-3 NEET questions

Lattice & Hydration 3D

3D

Solubility, Lattice & Hydration 3D Lab

2-3 NEET questions

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