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JEE PYQ: Solutions And Colligative Properties Question 30

Question 30 - 2019 (09 Apr Shift 2)

Molal depression constant for a solvent is 4.0 K kg mol$^{-1}$. The depression in the freezing point for 0.03 mol kg$^{-1}$ solution $\text{K}_2\text{SO}_4$ is:

(1). (0.18 K)

(2). (0.24 K)

(3). (0.12 K)

(4). (0.36 K)

Show Answer

Answer: (4)

Solution

$i = 3$. $\Delta T_f = 3 \times 4 \times 0.03 = 0.36$ K.


Learning Progress: Step 30 of 46 in this series