JEE Mains · Chemistry · STD 12 -1. Solution and colligative properties
Arrange the following solutions in order of their increasing boiling points.
(i) \(10^{-4} \mathrm{M~} \mathrm{NaCl}\)
(ii) \(10^{-4} \mathrm{M~}\) Urea
(iii) \(10^{-3} \mathrm{M~} \mathrm{NaCl}\)
(iv) \(10^{-2} \mathrm{M~} \mathrm{NaCl}\)
- A (i) < (ii) < (iii) < (iv)
- B (iv) < (iii) < (i) < (ii)
- C (ii) < (i\() \equiv(\)iii) < (iv)
- D (ii) < (i) < (iii) < (iv)
Answer & Solution
Correct Answer
(D) (ii) < (i) < (iii) < (iv)
Step-by-step Solution
Detailed explanation
\(\Delta \mathrm{T}_{\mathrm{b}}=\mathrm{i} \mathrm{~K}_{\mathrm{b}} . \mathrm{m} . \propto \mathrm{i} . \mathrm{C} .\) where \(\mathrm{C}=\) concentration…
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