Question-27 What is the SI unit of rate of diffusion for a gas?
(A) dm^{-3}s
(B) dm^3s^{-1}
(C) mL^{-1}s^{-1}
(D) mLs
Answer : (B)
Explanation:
Rate of diffusion of a gas
= Volume of a gas diffused / Time required for diffusion
Therefore, SI Unit for rate of diffusion is dm^3 s^{-1}.