A. Vapor follows the ideal gas law
B. Molal latent heat of vaporisation is constant within the limited temperature range
C. Volume in the liquid state is negligible compared with that in the vapor state
D. All A., B. & C.
Related Mcqs:
- The ratio of existing moles of vapor per mole of vapor free gas to the moles of vapor that would be present per mole of vapor free gas, if the mixture were saturated at the existing temperature & pressure, is termed as the_____________________?
A. Relative humidity
B. Relative saturation
C. Percentage saturation
D. None of these - Applicability of Clausius-Clapeyron Equation is subject to the condition that the __________________?
A. Vapor follows ideal gas law
B. Volume in the liquid state is negligible
C. Both A. & B.
D. Neither A. nor B. - Which of the following is the Clausius-Clapeyron Equation ?
A. PV = RT + B/V + y/V2 + ….
B. (P + a/V2)(V-b) = RT
C. loge (p/p0) = (λ/R) (1/T0 – 1/T)
D. p = [RT/(V – b)] – (a/TV2) - Clausius Clapeyron equation applies to the _____________ process?
A. Sublimation
B. Melting
C. Vaporisation
D. All A., B. & C. - A vapor whose partial pressure is less than its equilibrium vapor pressure is called a ______________ vapor?
A. Saturated
B. Supersaturated
C. Superheated
D. None of these - A vapor whose partial pressure is less than its equilibrium vapor pressure is called the _____________ vapor?
A. Saturated
B. Superheated
C. Unsaturated
D. Dry gaseous - The percentage ratio of the partial pressure of the vapor to the vapor pressure of the liquid at the existing temperature is_____________________?
A. Termed as relative saturation
B. Not a function of the composition of gas mixture
C. Called percentage saturation
D. Not a function of the nature of vapor - If the partial pressure of the solvent in the vapor phase is equal to the vapor pressure of the solvent at that temperature, then the system is said to be at its___________________?
A. Bubble point
B. Saturation temperature
C. Dew point
D. Both B. and C. - Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the___________________?
A. Nature of the liquid
B. Nature of the gas
C. Temperature of the liquid
D. Total pressure - The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg ?
A. 0.2
B. 0.1
C. 0.4
D. 0.6
