MCQ
Octane number has $0$ value for
  • A
    iso-octane
  • B
    $n-$ hexane
  • $n-$ heptane
  • D
    iso-heptane

Answer

Correct option: C.
$n-$ heptane
c
$n$-heptane is defined as the zero point of the octane rating scale. $2,2,4-$Trimethylpentane has an octane rating of $100$ , whereas $n$-heptane has an octane rating of $0$. The octane number is based on an arbitrary scale which is a measure of its ability to resist knocking, as it burns on combustion.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free