Which of the following compounds is the best possible anti-knock agent for petrol?
-
A.
(CH3)2CH – CH(CH3)CH2CH3 -
B.
CH3CH2(CH3)CHCH2CH2CH3 -
C.
CH3CH2(CH3)CHCH2CH2CH3 -
D.
(CH3)3C – CH2CH2CH3
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