AP EAMCET · Chemistry · Solutions
Which one of the following solutions of compounds show highest osmotic pressure? \(\left(A B, A B_2\right.\) and \(A_2 B_3\) are ionic compounds)
- A \(5.0 \mathrm{M}\) urea \(i=1.0\) and temperature is \(67^{\circ} \mathrm{C}\)
- B \(1.5 \mathrm{M} A_2 B_3\) type \(i=4.1\) and temperature is \(27^{\circ} \mathrm{C}\)
- C \(3.0 \mathrm{M} A B\) type \(i=1.6\) and temperature is \(27^{\circ} \mathrm{C}\)
- D \(2.5 \mathrm{M} \mathrm{AB} B_2\) type \(i=2.5\) and temperature is \(57^{\circ} \mathrm{C}\)
Answer & Solution
Correct Answer
(D) \(2.5 \mathrm{M} \mathrm{AB} B_2\) type \(i=2.5\) and temperature is \(57^{\circ} \mathrm{C}\)
Step-by-step Solution
Detailed explanation
\(\because \quad \pi=i C R T\). (a) \(\pi\) for \(5.0 \mathrm{M}\) urea is \(\pi=1 \times 5 \times 0.0821 \times 340 \mathrm{~K}\) \(\pi=139.57 \mathrm{~atm}\) (b) \(\pi\) for \(1.5 \mathrm{M} A_2 B_3\) type is \((i=4)\)…
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