Practicing Success

Target Exam

CUET

Subject

Chemistry

Chapter

Physical: Solutions

Question:

Which one will show negative deviation from Raoult's law?

Options:

ΔHmix > 0

ΔHmix < 0

ΔHmix = 0

ΔHmix ≥ 0

Correct Answer:

ΔHmix < 0

Explanation:

ΔHmix < 0, i.e solution becomes hot. In this solution, solute-solvent attraction forces are higher than the solute-solute or solvent-solvent intermolecular attraction forces.