When an equimolar mixture of two gases A and B `[M_(A)gtM_(B)]` is allowed to effuse thrugh a pin hole :
A. B comes out at a faster rate
B. relative rate of effusion of A increaes with time
C. fate of effusion of B will always be greater
D. Initially, with equal molar ratio, rate of effusion of B is greater than rate of effusion of A.
