Assertion: CH4, CO2 has value of Z (compressibility factor) less than one.
Reason: Z < 1 is due to repulsive forces among the molecules.
(A) If both assertion and reason are true and reason is the correct explanation of assertion
(B) If both assertion and reason are true but reason is not the correct explanation of assertion
(C) If assertion is true but reason is false.
(D) If both assertion and reason are false
(E) If assertion is false but reason is true.