Q. Which of the following is used as an anti-knocking agent in petrol?

  • (A) Methanol
  • (B) Ethanol
  • (C) Tetraethyl lead
  • (D) Acetone
✅ Correct Answer: (C) Tetraethyl lead
Explanation: Tetraethyl lead was traditionally used as an anti-knocking agent in petrol.

Published by Jyoti ⭐ 1.79K Points at 16-Jun-2026 06:40 am in Chemistry

Explanation by: Jyoti
Tetraethyl lead was traditionally used as an anti-knocking agent in petrol.

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