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Question

Which of the following fuel having maximum resistance to detonation?

निम्नलिखित में से किस ईंधन में डेटोनेशन  के प्रति अधिकतम प्रतिरोध है?

A.

n-heptane

B.

Benzene

C.

Toluene 

D.

iso-octane

Answer ( Option D)

iso-octane

Solution

●iso-octane (isomer 2-methyl-heptane) is an important component of petrol (gasoline), frequently used in relatively large proportions to increase the knock resistance of the fuel.

●iso-octane having 100 octane number has the maximum resistance to detonation.      

Hence, the correct option is (D).

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