Which statements are correct about degrees of freedom?
A. A molecule with n degrees of freedom has n² different ways of storing energy.
B. Each degree of freedom is associated with $\frac{1}{2} RT$ average energy per mole.
C. A monoatomic gas molecule has 1 rotational degree of freedom where as diatomic molecule has 2 rotational degrees of freedom.
D. CH₄ has a total of 6 degrees of freedom
Choose the correct answer from the option given below:

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B and D only

A and B only

C and D only

B and C only

answer is B.

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Detailed Solution

Methane molecule is tetrahedron

Degree of freedom due to rotation = 3

Degree of freedom due to translation = 3

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