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Hrishant Goswami Grade: 10
        According to Graham’s law, at a given temperature the ratio of the rates of diffusion  r_A/r_B  of gases A and B is given by 

(where, p and M are pressures and molecular weights of gases a and B respectively)
a. (P_A/P_B ) (M_A/M_B )^(1/2)
b. (M_A/M_B ) (P_A/P_B )^(1/2)
c. (P_A/P_B ) (M_B/M_A )^(1/2)
d. (M_A/M_B ) (P_B/P_A )^(1/2)
3 years ago

Answers : (1)

Deepak Patra
askIITians Faculty
474 Points
										Sol. Rate of effusion ∝ pi; pi = partial pressure of ith component

∝ √(1/M)
3 years ago
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