question_answer 64)

                    H2 gas is adsorbed on activated charcoal to a very little extent in comparison to easily liquefiable gases due to.......... (a) very strong van der Waals' interaction (b) very weak van der Waals' forces (c) very low critical temperature (d) very high critical temperature

Answer:

                    (b, c) H2 gas is adsorbed on activated charcoal to a very little extent in comparison to easily liquefiable gases due to (i) very low van der Waals' forces and (ii) very low critical temperature equal to 33 K.