Which option correctly ranks the following petroleum fractions from highest to lowest distillation temperature: Diesel, Jet Fuel, Naptha, Gasoline?

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Multiple Choice

Which option correctly ranks the following petroleum fractions from highest to lowest distillation temperature: Diesel, Jet Fuel, Naptha, Gasoline?

Explanation:
In fractional distillation, lighter, more volatile fractions boil away at lower temperatures, while heavier, less volatile fractions require higher temperatures to vaporize. Gasoline is the lightest of the four, so it ends distilling at the lowest temperature. Naphtha is heavier than gasoline, so its end point occurs at a higher temperature. Jet fuel (kerosene) is heavier still, needing a higher temperature than naptha. Diesel is the heaviest here, demanding the highest distillation temperature of the group. So the sequence from highest to lowest distillation temperature is: Diesel, Jet Fuel, Naptha, Gasoline.

In fractional distillation, lighter, more volatile fractions boil away at lower temperatures, while heavier, less volatile fractions require higher temperatures to vaporize. Gasoline is the lightest of the four, so it ends distilling at the lowest temperature. Naphtha is heavier than gasoline, so its end point occurs at a higher temperature. Jet fuel (kerosene) is heavier still, needing a higher temperature than naptha. Diesel is the heaviest here, demanding the highest distillation temperature of the group. So the sequence from highest to lowest distillation temperature is: Diesel, Jet Fuel, Naptha, Gasoline.

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