Question:
At what temperature will the rate of effusion of N₂ be 1.625 times that of SO₂ at 50^∘C?
At what temperature will the rate of effusion of N₂ be 1.625 times that of SO₂ at 50^∘C?
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Effusion rate:
r ∝ √((T)/(M))
Temperature and molar mass both affect effusion.
Updated On: Mar 19, 2026
- \(110\,\text{K}\)
- \(173\,\text{K}\)
- \(373\,\text{K}\)
- 273K
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Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Graham’s law: (r₁)/(r₂)=√((M₂T₁)/(M₁T₂))
Step 2: Given: fracrN₂rSO₂=1.625, MN₂=28, MSO₂=64, T₂=323K
Step 3: (1.625)²=(64T)/(28×323) ⟹ T ≈ 173K
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