Which compound exhibits the greatest tendency to form gums in gasoline?

Petroleum Refinery Engineering MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Petroleum Refinery Engineeringchemical-engineering › petroleum-refinery-engineering
Published
1 Mar 2019
Last updated
28 May 2026

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Explanation

Among the listed hydrocarbon types, diolefins have the highest propensity to form gums in gasoline due to their chemical structure, which makes them more reactive and prone to polymerization compared to paraffins, aromatics, and naphthenes.

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