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Under the same conditions the rates of d...

Under the same conditions the rates of diffusion of two gases are in the ratio 1:4. The ratio of their vapour densities is 

A

`2:1`

B

`1:2`

C

`16:1`

D

`1:16`

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • The rate of diffusion of respiratory gases is affected by:

    A
    Pressure gradient of the gases
    B
    Solubility of the gas
    C
    Diffusion distance
    D
    All the above

  • Rate of diffusion of gases is not influenced by

    A
    Pressure gradient
    B
    Solubility of gases
    C
    Thickness of olfactory membrane
    D
    Distance of diffusion

  • Gases best follow the facts given below A) An ideal gas obeys the mathematical relation PV=nRT B) Rates of diffusion of two gases are in the reciprocal ratio of square roots of their molecular weight C) Total pressure of a mixture of non reacting gases is given by the algebric sum of their partial pressure What is the mass of water vapour in 1 m^3 of air with 0.4 relative humidity at 300K? (Aqueous tension at 300K = 3.6 K Pa)

    A
    22.12 gm
    B
    10.53 gm
    C
    4.68 gm
    D
    2.86 gm

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