Hydrocarbons · Chemistry · IAT (IISER)
MCQ (Single Correct Answer)
1
$$ \text { What are the major products formed in the following reaction sequence? } $$

IAT (IISER) 2025
2
Compound $\mathbf{I}$ undergoes hydroboration-oxidation reaction with $\left(\mathrm{BH}_3\right)_2$ followed by treatment with $\mathrm{H}_2 \mathrm{O}_2$ and aqueous NaOH to produce another compound II, which upon oxidation with $\mathrm{CrO}_3$ gives 2,3-dimethyl-cyclohexanone as the product. What is the structure of $\mathbf{I}$ ?
IAT (IISER) 2025
3
$$ \text { What are } X \text { and } Z \text { in the following sequence of reactions? } $$

IAT (IISER) 2024
4
Which one amongst the following is the most efficient way of synthesizing $n$-propyl benzene?
IAT (IISER) 2023