Assertion (A) : Rate of diffusion of gases is higher than that of liquids or solids.
Reason (RA): There is a greater space between gas particles in gases.
Reason (RB): Speed of gas particles in gas is more than that of liquids or solids.
Correct Reason to Assertion is / are
A) R1
B) R2
C) R1 and R2
D) Neither R1 nor R2