Why was Tetraethyl Lead (TEL) historically added to petrol/gasoline?

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Chemistry · Applied Chemistry

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

To increase the anti-knocking rating of the fuel

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Answer 1

To improve the fuel efficiency by increasing volatility

Answer 2

To prevent the freezing of fuel at low temperatures

Answer 3

To reduce harmful carbon monoxide emissions

Answer 4

To increase the anti-knocking rating of the fuel

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