Question

A flask contains hydrogen and oxygen in the ratio of $2:1$ by mass at temperature $27^{\circ }C$. The ratio of average kinetic energy per molecule of hydrogen and oxygen respectively is:

• A. $2:1$
• B. $1:4$
• C. $1:1$
• D. $4:1$

Answer 1

Answer: (C)

$K_{av}=\frac{5}{2}kT$
Ratio $=1:1$