Question

Q. Which of the following aqueous solutions should have the highest boiling point ?
A \(1.0 \mathrm{MNaOH}\)
(B) \(1.0 \mathrm{MNa}_{2} \mathrm{SO}_{4}\)
C \(1.0 \mathrm{MNH}_{4} \mathrm{NO}_{3}\)
D \(1.0 \mathrm{MKNO}_{3}\)

Answer 1

Solution:
\(T_{b} \propto\) number of particles of solute.
\(\mathrm{Na}_{2} \mathrm{SO}_{4}->2 \mathrm{Na}^{+}+\mathrm{SO}_{4}^{2-}\)
\(\Rightarrow 3\) particles

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