The major product of the following reaction sequence is: (i) O3, Zn/H2O (ii) conc. NaOH (iii) aq. acid.

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Understand the Problem

The question is asking for the major product of a chemical reaction sequence involving ozonolysis followed by steps in basic and acidic conditions. The question provides options for the resulting product structure after these reactions.

Answer

(B) COOH COOH

The major product of the given reaction sequence is a di-carboxylic acid. Therefore, the correct choice is (B), where both sides are carboxylic acids.

Answer for screen readers

The major product of the given reaction sequence is a di-carboxylic acid. Therefore, the correct choice is (B), where both sides are carboxylic acids.

More Information

This reaction sequence involves ozonolysis followed by Cannizzaro reaction, typically converting aldehydes to carboxylic acids.

Tips

For these multi-step reactions, it's crucial to follow each reagent's role sequentially, understanding their function in transforming intermediates to the final product.

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