10%
5%
18.18%
20%
✅ The correct answer is option D.
Statiometery MCQs
For an ideal solution, the total vapor pressure varies __________ with the composition(expressed as mole fraction).
Inversely
Exponentially
Linearly
Negligibly
✅ The correct answer is option C.
If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will
Remain unaltered
Increase nine fold
Increase three fold
Decrease three fold
✅ The correct answer is option B.
In a binary liquid system, the composition expressed as __________ is independent of the temperature & pressure.
Kg of solute/kg of solvent
Kg-mole of solute/kg-mole of solvent
Kg-mole of solute/1000 kg of solvent
All of the above
✅ The correct answer is option D.
The heat of solution depends upon the
Nature of solvent
Concentration of solution
Nature of solute
All of the above
✅ The correct answer is option D.
Disappearance of snow in subzero weather exemplifies the process of
Evaporation
Sublimation
Vaporisation
Melting
✅ The correct answer is option B.
The elevation in boiling point of a solution is proportional to the __________ of the solution.
Molal concentration
Reciprocal of the molal concentration
Normality
Molarity
✅ The correct answer is option A.
The total volume occupied by a gaseous mixture is equal to the sum of the pure component volumes. This is the __________ law.
Dalton’s
Amgat’s
GayLussac’s
Avogadro’s
✅ The correct answer is option B.
One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m³. It cools to 98°C ; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m³. The amount of water vapour condensed (in kg) is
0
0.065
0.1
1
✅ The correct answer is option B.
Addition of a non-volatile solute to a solvent produces a __________ in its solvent.
Freezing point elevation
Boiling point depression
Vapor pressure lowering
All of the above
✅ The correct answer is option C.