Which compound present in diesel?

• Correct answer
  A

  Cetane
• B

  $\mathrm{TiCl}_4$
• C

  Cyclo pentandienyl manganese carbonyl
• D

  Iso octane

Solution

Diesel is fraction of petroleum having $C_{15}-C_{18}$ composition and boiling point in the range of 573 - 673 K. Generally cetane $\left[\mathrm{CH}_3-\left(\mathrm{CH}_2\right)_{14}-\mathrm{CH}_3\right]$ and $\alpha$-methyl naphthalene

Hence, the correct answer is option: 'A'.