Question

Which of the following is used as an anti-knocking compound ?

• A. TEL
• B. ${\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}$
• C. Glyoxal
• D. Freon

Answer 1

The correct option is A

TEL

Explanation:

• The substance which is utilized for the reduction of engine knocking is termed an anti-knocking agent. It is a gasoline additive and helps in the increment of fuel’s octane number by increasing the temperature and pressure.
• The substances which are used as anti-knocking agents are Tetraethyl Lead (TEL), Toluene, Ferrocene, Isooctane, etc.
• Tetraethyl Lead is an organometallic compound that is efficiently used as an anti-knocking compound as it increased the fuel’s octane number.

Final answer:

Hence, option (A) is correct.