Which of the following has the highest gum forming tendency in gosoline ?
Correct answer: B. Diolefins
- A. Paraffins
- B. Diolefins
- C. Aromatics
- D. Naphthenes
Explanation
Diolefins contain two double bonds, making them highly reactive toward oxidation and polymerisation, so they form gum readily in gasoline. Paraffins, naphthenes and aromatics generally have lower gum-forming tendencies under comparable conditions.
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