Liquid Solution · Chemistry · VITEEE
MCQ (Single Correct Answer)
The freezing points of 0.01 M solutions of glucose, $\mathrm{NaNO}_3$, and $\mathrm{AlCl}_3$ would be
The osmotic pressure of a solution prepared by dissolving 48 mg of $\mathrm{MgCl}_2$ in 500 mL water at $25^{\circ} \mathrm{C}$ is (Assuming complete dissociation).
(Molar mass of $\mathrm{MgCl}_2=95 \mathrm{~g} / \mathrm{mol}, R=0.0821 \mathrm{L} \cdot \mathrm{atm} / \mathrm{mol} \cdot \mathrm{K}$ )
A 2 M aqueous solution of HCl has density $1.08 \mathrm{~g} / \mathrm{mL}$. What is the molality of the solution?
The boiling points of 0.01 M aqueous solution of sucrose, NaCl and $\mathrm{CaCl}_2$ would be
The osmotic pressure of solution prepared by dissolving 25 mg of $\mathrm{K}_2 \mathrm{SO}_4$ in 2 litre of water at $25^{\circ} \mathrm{C}$ is (Assuming that it is completely dissociated)
The density of 3 M solution of NaCl is $1.25 \mathrm{~g} / \mathrm{mL}$. What is the molality of solution?
Match the Column I with Column II.
| Column I (Aqueous solutions) |
Column II (Elevation in boiling point) |
||
|---|---|---|---|
| A. | $$\mathrm{0.0001~M~NaCl}$$ | I. | 0.02 |
| B. | $$\mathrm{0.0001~M~Urea}$$ | II. | 0.003 |
| C. | $$\mathrm{0.001~M~MgCl_2}$$ | III. | 0.0001 |
| D. | $$\mathrm{0.01~M~NaCl}$$ | IV. | 0.0002 |
Mark the correct option