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ChemistryPhysical Chemistry

Identify the Solute with the Highest Van’t Hoff Factor: FeCl₃

FeCl₃ has the highest van’t Hoff factor among the listed solutes: its ideal complete dissociation produces four particles per formula unit.

Question

Identify the solute with the highest van't Hoff factor.

A. MgCl₂

B. MgSO₄

C. NaCl

D. Nonelectrolyte

E. FeCl₃

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Evidence boundary

This comparison treats each substance as a solute in water. Ideal factors assume complete dissociation; measured factors depend on concentration and ion interactions and are often below the ideal integers. That limitation does not change FeCl₃ as the highest choice here. A nonelectrolyte has an ideal factor of 1, not 0.