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Assertion: A lighter gas diffuse more rapidly than a heavier gas. Reason: At a given temperature, the rate of diffusion of a gas is inversely proportional to the square root of its density.A. If both (`A`) and (`R`) are correct and (`R`) is the correct explanation of (`A`).B. If both (`A`) and (`R`) are correct, but (`R`) is not the correct explanation of (`A`).C. If (`A`) is correct, but (`R`) is incorrect.D. If (`A`) is incorrect, but (`R`) is correct.

Answer» Correct Answer - A::B::C::D<br>Rate of diffusion `prop sqrt((1)/("Molecular mass"))`. Hence lighter gas moves rapidly than heavier gas molecules.


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