Which of the above stick structures would have the lowest octane rating for use in your engine?

Question

Quizplus · Accepted Answer

The stick structure A has a linear arrangement, which means the carbon chains can pack closely together, resulting in a high compression ratio. An engine with a high compression ratio requires a fuel with a lower octane rating to prevent knocking. Therefore, the stick structure A would have the lowest octane rating among the given structures.

Which of the Above Stick Structures Would Have the Lowest