Three different gases X, Y and Z of molecular masses 2, 16 and 64 were enclosed in a vessel at constant temperature till equilbrium is reaches. Which of the following statement is correct?

Options

A. Gas Z will be at the top of the vessel
B. Gas Y will be at the top of the vessel
C. Gas Z will be at the bottom and X will be at the top
D. Gases will form homogenous mixture

Answer

D

Explanation

All the gases occupy the available volume and will form homogeneous mixture.