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CHM 102 Practice Questions Objective Question
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Question

Gasoline with an octane number of 90 is equivalent in knocking characteristics to a mixture of heptane and isooctane of the following composition :
Options
A 20% heptane + 80% isooctane
B 90% heptane + 10% isooctane
C 80% heptane + 20% isooctane
D 10% heptane + 90% isooctane
Correct Answer
Correct Answer

Option D is the correct answer.

Detailed Explanation

An octane number of 90 means the fuel has the same knocking characteristics as a mixture containing 90% isooctane and 10% n-heptane. This corresponds to 10% heptane + 90% isooctane.

Hint

How is octane number related to the percentage of isooctane?

Question Info

Course: CHM 102
Topic: Practice Questions
Type: Objective
Difficulty: Not specified
Question 1083 of 1999
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