Which of the following has the highest octane | vedclass

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(D) The octane number is a measure of the anti-knocking property of a fuel. $2,2,4-$trimethylpentane,commonly known as iso-octane,is assigned an octan

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$2,2,4-$trimethylpentane

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(D) The octane number is a measure of the anti-knocking property of a fuel. $2,2,4-$trimethylpentane,commonly known as iso-octane,is assigned an octane number of $100$ and is used as a reference standard. Straight-chain alkanes like $n-$hexane,$n-$heptane,and $n-$pentane have much lower octane numbers compared to branched alkanes. Therefore,$2,2,4-$trimethylpentane has the highest octane number among the given options.

Which of the following has the highest octane number?

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