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Question
The best anti-knock compound used in petrol to increase mileage is
Options
Ethyl-magnesium chloride
Sodium ethoxide
Zinc ethyl
Tetraethyl lead
MCQ
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Solution
The best anti-knock compound used in petrol to increase mileage is Tetraethyl lead
Explanation:
Antiknock agents allow the use of higher compression ratios for greater efficiency and peak power. Adding varying amounts of additives like low percentage TEL or high percentage ethanol to gasoline, allowed easy, inexpensive control of octane ratings.
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