WAEC Chemistry 2014 Objective — Question 38
Question 38 of 50 from the West African Examinations Council (WAEC) Chemistry 2014 Objective paper, with the correct answer and a full explanation.
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Which of the following compounds determines the octane rating of petrol?
- A. 1,2,3-trimethyl pentane
- B. 2,3,5-trimethyl octane
- C. 2,3,5-trimethyl pentane
- D. 2,2,4-trimethyl pentaneCorrect
Explanation
2,2,4-trimethylpentane (isooctane) is the reference compound used to determine the octane rating of petrol.
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