Q158
Which of the following is used to increase the anti-knocking property of petrol ?
A.
Tetramethyl lead
B.
Tetraethyl lead
AnswerC.
Trimethyl lead
D.
Triethyl lead
Answer: Option B
Solution
Answer: Option B
Solution:
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.