alleryThe van't Hoff factor (i) for a solute that completely dissociates into n particles is:
A1/n
B1
C0
Dn
Answer & Solution
Correct answer: D. n
**For complete dissociation:** i = **n** (e.g., KCl → K⁺ + Cl⁻ → i = 2 ideally; K₂SO₄ → 3 ions → i = 3).
For association (e.g., dimerisation), i < 1.
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