Henry’s law is closely obeyed by a gas, when its _____________ is extremely high?

Related Mcqs:

1. The compressibility factor of a gas is given by (where, V1 = actual volume of the gas V2 = gas volume predicted by ideal gas law)____________________?

   A. V1/V2
   B. V2/V1
   C. V1 – V2
   D. V1.V2

2. 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

3. The density of a gas ‘X’ is twice that of another gas ‘Y’. If the molecular weight of gas ‘Y’ is ‘M’; then the molecular weight of the gas ‘X’ will be________________?

   A. 2M
   B. M/2
   C. M
   D. M/4

4. The equation, PV = nRT, is best obeyed by gases at____________________?

   A. Low pressure & high temperature
   B. High pressure & low temperature
   C. Low pressure & low temperature
   D. None of these

5. Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are_______________?

   A. Always greater than one
   B. Same at the same reduced temperature
   C. Same at the same reduced pressure
   D. Both B. & C

6. Which of the following behaves most closely like an ideal gas ?

   A. He
   B. N2
   C. O2
   D. H2

7. A gas can be liquefied by pressure alone only, when its temperature is _____________ its critical temperature?

   A. Less than
   B. More than
   C. Equal to or higher than
   D. Less than or equal to

8. “The equilibrium value of the mole fraction of the gas dissolved in a liquid is directly proportional to the partial pressure of that gas above the liquid surface”. This statement pertaining to the solubility of gases in liquid is the ______________ law?

   A. Raoult’s
   B. Henry’s
   C. Amagat’s
   D. None of these

9. Which of the following approaches the ideal gas behavior most closely ?

   A. Wet steam
   B. Saturated steam
   C. Superheated steam
   D. Saturated water

10. The compressibility factor for an ideal gas is 1. Its value for any other real gas is_______________?

    A. 1
    B. 1
    D. Either B. or C, depends on the nature of the gas