The molecular velocity of a real gas is proportional to (where, T = absolute temperature of the gas)?

Related Mcqs:

1. 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

2. Diffusion is that property by virtue of which a perfume bottle when opened up in a room, makes the whole room fragrant with its smell. If a perfume ‘X’ diffuses twice as fast as another perfume ‘Y’; what is the molecular weight of ‘Y’, if the vapor density of gas ‘X’ is 2? Molecular weight of gas ‘X’ is to be assumed to be 2 ?

   A. 2
   B. 4
   C. 8
   D. 16

3. 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 _______________?

   A. Remain unaltered
   B. Increase nine fold
   C. Increase three fold
   D. Decrease three fold

4. Simultaneous doubling of the absolute temperature of a gas and reduction of its pressure to half will result in _____________ in the volume of the gas?

   A. No change
   B. Doubling
   C. 1/4th reduction
   D. Fourfold increase

5. If the pressure of a gas is reduced to half & its absolute temperature is doubled, then the volume of the gas will_________________?

   A. Be reduced to 1/4th
   B. Increase four times
   C. Increase two times
   D. None of these

6. 1 gm mole of an alcohol whose molecular weight is 74 contains 48 gms of carbon, 10 gms of hydrogen and 16 gms of oxygen. Its molecular formula is__________________?

   A. C4H9OH
   B. C3H21OH
   C. (C2H4)2H2.OH
   D. C2H33OH

7. The temperature of a gas in a closed container is 27° C. If the temperature of the gas is increased to 300° C, then the pressure exerted is___________________?

   A. Doubled
   B. Halved
   C. Trebled
   D. Unpredictable

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. The temperature at which a real gas obeys Boyle’s law is termed as the__________________?

   A. Triple point
   B. Boyle’s temperature
   C. Eutectic point
   D. Inversion temperature

10. The temperature at which the second Virial co-efficient of a real gas is zero is called the_____________________?

    A. Eutectic point
    B. Boyle temperature
    C. Boiling point
    D. Critical temperature