BCS Written Chemistry Practice Questions - BCS Written Post-Related Chemistry, Subject Code 531, Total Marks 200 Exam

By Graham's law, the ratio of effusion rates of H₂ to O₂ (M = 2.0 and 32 g mol⁻¹) is

2 : 1 4 : 1 8 : 1 16 : 1

Correct Answer:

4 : 1

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