Q. Tetraethyl lead (TEL) is added to petrol to
✅ Correct Answer: (D)
increase anti-knocking rating
Explanation: Tetraethyllead (TEL), tetramethyllead (TML), and, sometimes mixtures of methylated and ethylated organolead species, are added to gasoline to prevent the premature and spontaneous explosion of the air/gasoline mixture in the engine.
Explanation by: Mr. Dubey
Tetraethyllead (TEL), tetramethyllead (TML), and, sometimes mixtures of methylated and ethylated organolead species, are added to gasoline to prevent the premature and spontaneous explosion of the air/gasoline mixture in the engine.