Question

For a gas, $\frac{R}{C_v}$$=0.67$. This gas is made up of molecules which are

• A. Mono atomic
• B. Poly atomic
• C. Mixture of diatomic and poly atomic molecules
• D. Diatomic

Answer 1

The correct option is A Mono atomic

For the given gas, $\frac{R}{C_V}=0.67$

$⟹C_V=\frac{3}{2}R=\frac{f}{2}R$

where $f$ is the degree of freedom of the gas.

Thus there are three degrees of freedom of the gas.

Hence it is a monoatomic gas.