Arrange the following aqueous solution in increasing freezing points assuming they have equal concentrations and completely dissociate.

• A. Al₂(SO₄)₃ < K₃P < CaF₂ < NaNO₃
• B. K₃P < NaNO₃ < CaF₂ < Al₂(SO₄)₃
• C. Al₂(SO₄)₃ < NaNO₃ < K₃P < CaF₂
• D. NaNO₃ < CaF₂ < K₃P < Al₂(SO₄)₃

Answer: (A)