A. A solution of benzene, toluene and o-xylene
B. 35% solution of camphor in water
C. 35% solution of NH3 in water
D. A solution of polar organic compounds (not of homologue of a series)
Related Mcqs:
- Diffusion in concentrated solutions differs from that in dilute solutions, because of the change in the _______________ with the concentration of the solution?
A. Degree of ideality
B. Viscosity
C. Both A & B
D. Neither A nor B - Diffusivity in concentrated solutions differs from that in dilute solutions, because of the changes in ____________________?
A. Viscosity with concentration
B. Degree of ideality of the solution
C. Both A. and B.
D. Neither A. nor B. - Which of the following can be calculated theoretically using steam table and Dalton’s law of partial pressure; if the relative humidity and dry bulb temperature of moist air is known ?
A. Dew point
B. Humidity ratio
C. Wet bulb temperature
D. None of these - For the flow of gases through a capillary, with increase in temperature, the permeability __________________ as per Knudsen law?
A. Increases
B. Decreases
C. Remain same
D. Either A. or B.; depends on the gas - The McCabe ΔL law states that the____________________?
A. Molar heats of vaporisation of components are nearly equal
B. Linear crystal growth rate depends on the degree of super-saturation
C. Linear crystal growth rate does not depend on the crystal size
D. Linear crystal growth rate depends on the crystal size - When the liquid phase and vapour phase of a binary system obeys Raoult’s and Dalton’s law respectively, the relative volatility is the ratio of________________________?
A. Vapour pressure of component A to that of component B
B. Vapour pressure of component A to the total pressure
C. Vapour pressure of component A to the partial pressure of A
D. Partial pressure of component A to the total pressure - Stefan’s law describes the mass transfer by________________?
A. Diffusion
B. Bulk flow
C. Both A. & B.
D. Neither A. nor B. - Raoult’s law applies to the___________________?
A. All liquid solutions
B. Non-ideal solution only
C. Non-volatile solute
D. Solvents - One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult’s law is obeyed, then changing the feed composition would effect ?
A. The product composition but not the fraction vaporised
B. The product composition as well as the fraction vaporised
C. The fraction vaporised but not the product composition
D. Neither the product composition nor the fraction vaporised - Positive deviation from Raoult’s law means a mixture whose total pressure is___________________?
A. Greater than that computed for ideality
B. Less than that computed for ideality
C. Less than the sum of the vapour pressure of the components
D. None of these
