What does “Osmosis” actually mean in Solutions & Colligative Properties, and why does it matter for JEE?
the net movement of solvent through a semipermeable membrane from a dilute (low-solute) side to a concentrated (high-solute) side.
In simple words: the net movement of solvent through a semipermeable membrane from a dilute (low-solute) side to a concentrated (high-solute) side. Getting Osmosis clear matters because JEE questions on Solutions & Colligative Properties usually test this idea directly, not just a formula you memorised.
Key point
Osmosis
Common mistake
thinking the solute moves rather than the solvent.
Memory tip
water moves toward the saltier side to dilute it.
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