Q.

State True or False.

Nitrogen diffuses faster than oxygen through an orifice.

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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
        According to the Graham’s Law of Diffusion speed or rate of diffusion of a gas is inversely equivalent to the square root of gas molecular mass under the same conditions of pressure and temperature.
        Here Nitrogen atomic mass is 14 whereas the Oxygen atomic mass is 16 that's why the Nitrogen diffuses faster than oxygen through an orifice.
  
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