Q: The correct order of octane number of butane, pentane, hexane and cyclohexane is
(a)butane > pentane > hexane > cyclohexane
(b)butane > pentane > cyclohexane > hexane
(c)butane > cyclohexane > pentane > hexane
(d)cyclohexane > butane > pentane > hexane
Correct Answer: (c)
Detailed explanation coming soon.