Which of the following is used to increase the anti-knocking property of petrol ?
A. Tetramethyl lead
B. Tetraethyl lead
C. Trimethyl lead
D. Triethyl lead
Answer: Option B
Solution (By Examveda Team)
An anti-knocking agent is the substance which is used to reduce the engine knocking. It increases the octane number of the fuel. It helps in auto-ignition by raising the temperature and pressure. TEL is tetraethyl Lead which is used as an anti-knocking compound.This Question Belongs to General Knowledge >> Chemistry
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