A. Increases
B. Decreases
C. Remains unchanged
D. Increases exponentially
Related Mcqs:
- For most salts, the solubility increases with rise in temperature, but the solubility of _______________ is nearly independent of temperature rise?
A. Sodium chloride
B. Sodium carbonate monohydrate
C. Anhydrous sodium sulphate
D. Hypo - Sodium ______________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature?
A. Carbonate (monohydrate)
B. Chloride
C. Thiosulphate
D. Bisulphite - At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to___________________?
A. Decrease in mean free path
B. Increased collision rate among molecules
C. Increase in molecular attraction
D. Increase in average molecular speed - A vessel of volume 1000 m3 contains air which is saturated with water vapour. The total pressure and temperature are 100 kPa and 20°C respectively. Assuming that the vapour pressure of water at 20°C is 2.34 kPa, the amount of water vapour (in kg) in the vessel is approximately ?
A. 17
B. 20
C. 25
D. 34 - The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. The temperature at which the above mixture will exert a pressure of one standard atm. is___________________?
A. Less than 100°C
B. 100°C
C. Between 100 and 110°C
D. 110.6°C - Saturated solution of benzene in water is in equilibrium with a mixture of air and vapours of benzene and water at room temperature and pressure. Mole fraction of benzene in liquid is xB and the vapour pressures of benzene and water at these conditions are pv B and pv w respectively. The partial pressure of benzene in air-vapour mixture is_________________?
A. PvB
B. xB.PvB
C. (Patm – Pvw)xB
D. xB.Patm - In case of a solution (not of a solid in a liquid), whose total volume is less than the sum of the volumes of its components in their pure states, solubility is__________________?
A. Independent of temperature
B. Increases with rise in pressure
C. Increased with decrease in pressure
D. Unchanged with pressure changes - In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is__________________?
A. Independent of the temperature
B. Increased with the increase in pressure
C. Decreased with the increase in pressure
D. Unchanged by the pressure change - Which of the following has the smallest least effect on the solubility of a solute into the solvent ?
A. Nature of the solute
B. Nature of the solvent
C. Temperature
D. Pressure - Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent ?
A. Temperature
B. Nature of solute
C. Pressure
D. Nature of solvent
