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Which of the following reactions will not result in the formation of carbon-carbon bonds?

1. Reimer-Tiemann reaction
2. Cannizzaro reaction
3. Wurtz reaction
4. Friedel-Crafts acylation

Correct answer: Cannizzaro reaction

Solution

The Cannizzaro reaction involves the disproportionation of aldehydes without alpha-hydrogens into alcohols and carboxylic acids, and does not form carbon-carbon bonds. The other reactions involve carbon-carbon bond formation.

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