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JEE Main Chemistry question

ChemistryStates of Matter (Gaseous & Liquid State)JEE Main

How many of the following gases will diffuse faster than O₂? N₂, CO₂, H₂, SO₂, F₂, He, Ne, SO₂, CH₄

Answer: 5

Solution

A gas diffuses faster than O₂ (M = 32) if its molar mass is less than 32. Molar masses: N₂ = 28 (faster), CO₂ = 44 (slower), H₂ = 2 (faster), SO₂ = 64 (slower), F₂ = 38

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Question ID VK-134627