p Block Elements Part 2

Given below are two statement : one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A : SO2(g) is adsorbed to a large extent than H2(g) on activated charcoal.
Reason R : SO2(g) has a higher critical temperature than H2(g).
In the light of the above statements, choose the most appropriate answer from the options given below.