1
IAT (IISER) 2025
MCQ (Single Correct Answer)
+4
-1
$$ \text { What are the major products formed in the following reaction sequence? } $$
A
B
C
D
2
IAT (IISER) 2025
MCQ (Single Correct Answer)
+4
-1
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 $\mathbf{I}$ ?
A
B
C
D
3
IAT (IISER) 2024
MCQ (Single Correct Answer)
+4
-1
$$ \text { What are } X \text { and } Z \text { in the following sequence of reactions? } $$
A
B
C
D
4
IAT (IISER) 2023
MCQ (Single Correct Answer)
+4
-1
Which one amongst the following is the most efficient way of synthesizing $n$-propyl benzene?
A
B
C
D
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