Solutions And Colligative Properties
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- Solutions and Colligative Properties - Result Question 24-1
- Solutions and Colligative Properties - Result Question 24
- Solutions and Colligative Properties - Result Question 25 — JEE PYQ Chapterwise
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- Solutions and Colligative Properties - Result Question 25 — JEE PYQ Chapterwise
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Solutions and Colligative Properties - Result Question 24-1
24. Which of the following 0.1 M aqueous solution will have the lowest freezing point?
(1989, 1M)
(a) Potassium sulphate
(b) Sodium chloride
(c) Urea
(d) Glucose
Show Answer
Answer:
Correct Answer: 24. (a)
Solution:
$ \begin{array}{ll} \mathrm{K}_2 \mathrm{SO}_4: & i=3 \\ \mathrm{NaCl}: & i=2 \\ \text { Urea : } & i=1 \\ \text { Glucose } & i=1 \end{array} $
Greater the value of $i$, greater the lowering in freezing point, lower will be the freezing temperature, if molarity in all cases are same. Therefore, $\mathrm{K}_2 \mathrm{SO}_4$ solution has the lowest freezing point.
BETA
