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Q.

Which is the best antiknock compound or Which one of the following substances is used as an antiknock compound

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a

Lead tetrachloride

b

Lead acetate

c

Zinc ethyl

d

Tetraethyl lead (TEL)

answer is D.

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Detailed Solution

Tetraethyl lead (TEL) is an anti-knocking compound when mixed with petrol tend to improve the octane no. and therefore, decreases the knocking in the cylinder of the combustion engine.

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Which is the best antiknock compound or Which one of the following substances is used as an antiknock compound