Question

Which of the following gases diffuse at the same rate
1.co2
2.n2
3.no2
4.co

Answer 1

Co2 and No2 will have same rate of diffusion Because according to Graham law of diffusion, the rate of diffusion or effusion of a gas is inversely proportional to the square root of the molecular mass of the gas under observation. Here, the gases co2 and no2 have same mass which is 44. So their rates are same.