According to Graham's Law, the rate of diffusion of CO,O2,N2andCO2 follows the order:
A
CO=N2>O2>CO2
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B
CO=N2>CO2>O2
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C
O2>CO=N2>CO2
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D
CO2>O2>CO=N2
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Solution
The correct option is ACO=N2>O2>CO2 According to Graham's law of effusion, r∝1√M Rate of diffusion decrease with increase in molecular weight. ∴ Order of rate of effusion is: CO=N2>O2>CO2 ( 28 28 32 44)