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Q. |
Which of the following compound readily goes under the process of knocking? |
A. | 2-ethly butane |
B. | n-heptane |
C. | benzene |
D. | toluene |
Answer» B. n-heptane | |
Explanation: n-heptane is a straight chain hydrocarbon which knocks readily and hence its octane number is zero. presence of straight chain hydrocarbon in gasoline reduces its rate of combustion. |
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