SOLUBILITY AND RELATED PHENOMENON
TOP 10 MCQ
1. For the study of distribution law the two solvents should be
(a) Non-miscible
(b) Miscible
(c) Volatile
(d) Reacting with each other
2. When a large amount of solute dissolves in a given amount of solvent it forms
(a) Concentrated solution
(b) Dilute solution
(c) Aqueous solution
(d) Saturated solution
3. In a saturated solution with endothermic dissolution, how does the concentration of dissolved solute change with increasing then decreasing temperature
(a) Keeps increasing
(b) Keeps decreasing
(c) Increases and decreases
(d) Decreases and increases
4. How does the solubility of gas change in a liquid, as described
(a) Increases with decreasing pressure
(b) Increases with increasing temperature
(c) Decreases with increasing temperature
(d) Decreases with increasing pressure
5. When a saturated solution prepared at a higher temperature is cooled, we get
(a) Super cooled solution
(b) Super saturated solution
(c) An equilibrium mixture
(d) One molar solution
6. Which of the following best describes the difficulty in breathing as one climbs to higher altitudes
(a) Henry’s law
(b) Raoult’s law
(c) Osmotic pressur
(d) Relative lowering of atmospheric pressure
7. What is the solubility product expression for silver chromate dissolving in water
(a) [2Ag⁺][2CrO₄²⁻]
(b) [Ag⁺]² [CrO₄²⁻]²
(c) [Ag⁺]² [CrO₄²⁻]
(d) [Ag⁺]² [CrO₄⁻]
8. A solution is one that contains excess concentration of the solute in the dissolved state than it would normally contain at a certain temperature
(a) Dilute
(b) Salty
(c) Unsaturated
(d) Supersaturated
9. Solubility can be expressed in terms of
[A] Percentage [B] Poise [C] Molarity [D] Molality
(a) Only A
(b) C or D
(c) A, C and D
(d) Only C
10. Which is defined as the number of moles of solute dissolved in 1000 g of solvent
(a) Percentage
(b) Poise
(c) Molarity
(d) Molality
ANSWER KEY
| 1-a | 2-a | 3-d | 4-c | 5-b | 6-a | 7-d | 8-d | 9-c | 10-d |
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