When subjected to ozonolysis, which compound results in the formation of the given molecule?

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Accepted Answer

1. **Reaction Principle:** Ozonolysis is a reaction used to locate the position of the double bond in unsaturated compounds. Alkenes react with ozone to form an ozonide, which upon cleavage with Zinc ($Zn$) and water ($H_2O$) yields smaller molecules, typically aldehydes or ketones [NCERT 11th, Ch 13, Sec 13.3.5].
2. **Mechanism:** The reaction involves the oxidative cleavage of the $C=C$ double bond. The net result is the replacement of the $C=C$ bond with two $C=O$ bonds.
   $$ R_1CH=CHR_2 + O_3 \xrightarrow{Zn/H_2O} R_1CHO + R_2CHO $$
3. **Reverse Process:** To find the starting alkene from the product(s), one removes the oxygen atoms from the carbonyl groups of the products and joins the carbonyl carbons with a double bond.
4. **Missing Data:** The question refers to a specific "given molecule" (product) and asks for the reactant (Option). As the chemical structures for both the target molecule and the options are missing from the input text, the correct option cannot be chemically derived.

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