JEE Main Chemistry question

Which of the following 0.1 M aqueous solutions will have the highest boiling point?

(A)0.1 M NaCl
(B)0.1 M Correct
(C)0.1 M sucrose
(D)0.1 M KCl

Answer: (B)

Solution

Colligative properties depend on the number of particles produced. furnishes 3 ions per formula unit, more than NaCl or KCl (2 ions each), while sucrose

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Question ID VK-143099