What is the full name of lead added to aviation fuel?

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Multiple Choice

What is the full name of lead added to aviation fuel?

Explanation:
Tetraethyl lead. Here, “tetra” means four and “ethyl” refers to the ethyl groups attached to the lead atom, so four ethyl groups are bound to lead. This compound was used as an anti-knock additive to raise the octane rating of aviation gasoline, preventing engine knocking. The familiar abbreviation TEL comes from tetraethyl lead. The other spellings aren’t the standard chemical name, which is why they aren’t correct.

Tetraethyl lead. Here, “tetra” means four and “ethyl” refers to the ethyl groups attached to the lead atom, so four ethyl groups are bound to lead. This compound was used as an anti-knock additive to raise the octane rating of aviation gasoline, preventing engine knocking. The familiar abbreviation TEL comes from tetraethyl lead. The other spellings aren’t the standard chemical name, which is why they aren’t correct.

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