Question 3
Gas LawsWhich of the following gases will diffuse fastest when passed through a porous plug? [H = 1, C = 12, N = 14, O = 16]
- A.Propane
- B.Oxygen
- C.Methane
- D.Ammonia
Show the answer and explanation
Answer: C (Methane)
Explanation
Lighter gases diffuse faster (Graham's law). Methane (16) is lighter than ammonia (17), oxygen (32) and propane (44).