Question:

Identify the major product 'P' in the following sequence of reactions: $... \xrightarrow{O_3, Zn/H_2O} \xrightarrow{dil NaOH} P$.

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Aldol condensation is the standard pathway for forming carbon-carbon bonds using aldehydes/ketones.
Updated On: Jun 10, 2026
  • Product 1
  • Product 2
  • Product 3
  • Product 4
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The Correct Option is B

Solution and Explanation

Step 1: Concept
Ozonolysis followed by Aldol condensation.

Step 2: Analysis
Ozonolysis of a precursor alkene results in an aldehyde/ketone. Dilute NaOH promotes Aldol condensation of the resulting product to form a $\beta$-hydroxy aldehyde.

Step 3: Conclusion
Structure 2 corresponds to the aldol product.

Final Answer: (B)
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