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Of the following 0.10 m aqueous solutions, which one will exhibit the largest freezing point depression?

Options

  1. AK C l
  2. BC 6 H 12 O 6
  3. CA l 2 S O 4 3
  4. DK 2 S O 4

Correct answer

C. A l 2 S O 4 3

Step-by-step solution

Colligative properties are directly proportional to the number of solute particles. On dissociation of Al 2 SO 4 3 → 2 Al + 3   +   3 SO 4 2 - i = 5 1 = 5 ∆ T f = i K f m i is highest for A l 2 S O 4 3

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