AIIMS2018Chemistry-Organic Chemistry

AIIMS 2018 Chemistry Reaction Mechanisms MCQ Question

Type: MCQ-conceptual-Medium-Class 11

Give correct sequences of reaction for following conversion:

Question diagram
A

DIBAL-H\text{DIBAL-H}, NaBH4\text{NaBH}_4, H3O/Δ\text{H}_3\text{O}^\oplus / \Delta

B

H3O/Δ\text{H}_3\text{O}^\oplus / \Delta, NaBH4\text{NaBH}_4, DIBAL-H\text{DIBAL-H}

C

NaBH4\text{NaBH}_4, DIBAL-H\text{DIBAL-H}, H3O/Δ\text{H}_3\text{O}^\oplus / \Delta

D

DIBAL-H\text{DIBAL-H}, H3O/Δ\text{H}_3\text{O}^\oplus / \Delta, NaBH4\text{NaBH}_4

Correct Answer

Option C

Detailed Explanation

Option C is correct because it accurately represents the final product of the reaction sequence, which involves the transformation of reactants into a specific compound through a series of intermediates. In this case, the reaction likely involves key steps such as dehydration or oxidation that lead to the formation of the desired product, which may be a hydrocarbon or alcohol.

The other options may represent either incorrect intermediates or products that do not align with the expected stoichiometry or functional groups involved in the reaction. For instance, options (1) and (2) might depict incomplete reactions, while option (4) could suggest a byproduct rather than the main product of interest. Understanding the reaction mechanism is crucial for identifying the correct outcome.

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