Question

The critical temperature of some gases are: Methane $190K$, ammonia $405K$, carbon dioxide $304K$, nbutane $425K$ and dihydrogen $33K$. The gas that is adsorbed to the maximum extent on $1g$ of activated charcoal at a given temperature is

• A. dihydrogen
• B. methane
• C. carbon dioxide
• D. $n$-butane
• E. ammonia

Answer 1

Answer: (D)

Correct answer is (d) $n$-butane