The Average Speeds V and Molecular Diameters D of Five

Multiple Choice

The average speeds v and molecular diameters d of five ideal gases are given below.The number of molecules per unit volume is the same for all of them.For which is the collision rate the greatest?

A) v = v₀ and d = d₀
B) v = 2v₀ and d = d₀/2
C) v = 3v₀ and d = d₀
D) v = v₀ and d = 2d₀
E) v = 4v₀ and d = d₀/2