Which Set of Gases Is Listed from Fastest to Slowest

question 89

Multiple Choice

Which set of gases is listed from fastest to slowest diffusion rate?

• A) HCN > H₂ > He > O₃
• B) H₂ > He > HCN > O₃
• C) O₃ > HCN > He > H₂
• D) HCN > He > O₃ > H₂
• E) H₂ > HCN > He > O₃

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