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Question: Answered & Verified by Expert
Catalytic dehydrogenation of $n$-haptane in presence of $\mathrm{Cr}_2 \mathrm{O}_3 / \mathrm{Al}_2 \mathrm{O}_3$ at $750 \mathrm{~K}$ gives
ChemistryHydrocarbonsJEE Main
Options:
  • A iso-heptane
  • B 1-heptene
  • C toluene
  • D 2, 3-dimethylpentene-1
Solution:
2035 Upvotes Verified Answer
The correct answer is: 1-heptene
Octane number is related to the percentage of iso-octane since iso-octane is $81 \%$ hence octane number is $81 \%$.

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