Correct statements about the following solutions (Assuming equal amount of each solute is dissolved in 1 L solution)1 L NaCl, 1 L (NH₂)₂CO, 1 L BaCl₂, 1 L Ca₃(PO₄)₂

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Freezing point : NaCl > (NH₂)₂CO > Ca₃(PO₄)₂ > BaCl₂

Osmotic pressure : NaCl > (NH₂)₂CO > Ca₃(PO₄)₂ > BaCl₂

Freezing point : (NH₂)₂CO < NaCl < Ca₃(PO₄)₂ < BaCl₂

Boiling point : NaCl > (NH₂)₂CO > Ca₃(PO₄)₂ > BaCl₂

answer is A, B.

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Detailed Solution

For (1) NaCl (i = 2) ; Urea (i = 1)
Ca₃(PO₄)₂ (i = 5); BaCl₂(i = 3)
$∴$ Osmotic pressure and elevation in boiling point, both are colligative properties and order is same for both the cases.

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