AP EAMCET Engineering 21 Sep 2020 Shift 2 Paper

(b) The rate of effusion of a gas is inversely proportional to the square root of the mass of its particles.
Rate of effusion ∝‌

1

√‌ Molecular mass ‌

If two gases CO and N2 are at the same temperature and pressure, the ratio of their effusion rates is inversely proportional to the ratio of the square roots of their molar masses. ‌

‌ Rate effusion of ‌CO

‌ Rate of effusion of ‌N2

∝‌

√MN2

√MCO

⇒‌‌√‌

28

28

⇒1:1