$A$ petroleum fraction having a boiling range of $70-200 \ ^\circ C$ and containing $6-10$ carbon atoms per molecule is called:

Compound $X$ of molecular formula $C_4H_6$ takes up one equivalent of hydrogen in the presence of $Pt$ to form another compound $Y$,which on ozonolysis gives only ethanoic acid. The compound $X$ can be:

Which of the following would not rearrange to a more stable form?

Compare the rate of catalytic hydrogenation using $H_2 / Pt$ for the following compounds $(a)$ and $(b)$:

Compound $A$ $(C_{11}H_{14}O_4)$ is a degradation product of the antibiotic vermiculine. It undergoes the following reactions as shown in the image. Identify the unknown compound $C$ $(C_{11}H_{18}O_2)$.

The following reaction takes place in high yields. Use your knowledge of alkene chemistry to predict the product.