Tetraethyl lead is added to fuel to:
Correct answer: D. Prevent knocking
- A. Decrease the boiling point
- B. Prevent heating
- C. Prevent freezing of fuel
- D. Prevent knocking
Explanation
Organic lead (tetraethyl lead; TEL) is used as an antiknock agent in gasoline and jet fuels. It increases the octane number of the fuel. Hence, D is the correct option.
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About Alkanes
Alkanes are saturated hydrocarbons containing only carbon-carbon and carbon-hydrogen single bonds, with the general formula CnH2n+2 for open chains. Their structure, isomerism, IUPAC nomenclature, physical properties, combustion, free-radical halogenation and conformations are covered, including the difference between substitution in alkanes and addition in unsaturated hydrocarbons.
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