The efficiency of petrol as a fuel in high-compression internal combustion engines improves with an increase in the amount of?
branched chain alkanes
straight chain alkanes
cycloalkanes
halogenated hydrocarbons
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The efficiency of petrol as a fuel in high-compression internal combustion engines improves with an increase in the amount of branched chain alkanes.
Branched chain alkanes have a higher octane rating compared to straight chain alkanes. Higher octane ratings mean that the fuel is less prone to premature detonation or knocking in high-compression engines, allowing for more efficient combustion and thus improving overall engine efficiency.
the correct answer is A. because branched chain hydrocarbon contains higher octane rating for petrol. Example and most of the branched hydrocarbon is BUTANE, which is used as fuel in cooking gas
