Rank the following gases based on increasing "b" value in the van der Waals equation. Remember, the larger the "b" value, the larger the gas molecule size: CH₄, He, C₃H₈, COH₁₄
a) He < CH₄ < C₃H₈ < COH₁₄
b) CH₄ < He < COH₁₄ < C₃H₈
c) COH₁₄ < C₃H₈ < CH₄ < He
d) C₃H₈ < CH₄ < He < COH₁4
