Which of the following compounds is the bes..

Question 1 Report

Which of the following compounds is the best possible anti-knock agent for petrol?

(CH3)2CH - CH(CH3)CH2CH3

CH3CH2(CH3)CHCH2CH2CH3

CH3CH2(CH3)-CHCH2CH2CH3

(CH3)3C - CH2CH2CH3