Subject - Chemistry:

Basics

MCQ - 167-2353

Question:

Which of the following 0.1M aqueous solutions will have the lowest freezing point

Potassium sulphate
Basium Sulphate
NaCl
Basium Sulphate

Correct Answer: A

Explanation:

K₂SO₄ is an electrolyte which dissociate into 3 ions as compared to BaSO4 and NaCl give 2 particles while glucose is non-electrolyte, lowest freezing point is observed in those compounds having greater number of particles according to colligative properties.

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