JEE Main 2019 Chemistry question
Molal depression constant for a solvent is 4.0 K kg mol. The depression in the freezing point of the solvent for 0.03 mol kg solution of KSO is: (Assume complete dissociation of the electrolyte)
Answer: (A)
Solution
i = 3: ΔT = 3 × 4.0 × 0.03 = 0.36 K.