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Which of the following aqueous solution should have highest boiling point?

Options

  1. A1.0 M NaOH
  2. B1.0 M Na ₂ SO ₄
  3. C1.0 M NH ₄ NO ₃
  4. D1.0 M KNO ₃

Correct answer

B. 1.0 M Na ₂ SO ₄

Step-by-step solution

More be value of van't Hoff factor (i), more be the boiling point. i is maximum for Na ₂ SO ₄(=3) It has maximum b.p.

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