Bromine particles are almost twice as heavy as chlorine particles. Which gas will diffuse faster; bromine (vapour) or chlorine? Explain your answer.

According to Graham's diffusion Law, the rate of effusion or diffusion of a gas is inversely proportional to the square root of the molar mass of the gas. This is because lighter molecules diffuse faster than heavier molecules. Hence, Chlorine particles will diffuse faster than bromine particles.

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Updated on: 10-Oct-2022

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