A real gas obeying vander waals equation will resemble the ideal gas if_______________________?

(A) Both a and b are small ()
(B) Both a and b are large (X)
(C) a is small and b is large (X)
(D) a is large and b is small (X)

Answers: A real gas obeying vander waals equation will resemble the ideal gas if  Both a and b are small.