n-Pentane, isopentane (2-methylbutane), and neopentane (2,2-dimethylpropane) are structural isomers with identical molar masses. Which sequence correctly ranks them from strongest to weakest intermolecular attractions?
a) neopentane > isopentane > n-Pentane
b) n-Pentane > neopentane > isopentane
c) n-Pentane > isopentane > neopentane
d) isopentane > neopentane > n-Pentane