MHT CET 2024 Chemistry question

Which of the following solutions on complete dissociation exhibits maximum elevation in boiling point?

(A)0.01 m KCl
(B)0.05 m NaCl
(C)0.1 m Correct
(D)0.1 m

Answer: (C)

Solution

Elevation of boiling point is a colligative property: , so for the same solvent it is proportional to (effective molality of particles) with the number of ions on complete dissociation. KCl: .

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Question ID VK-093392