NEET 2010 Chemistry question

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

(1)Reimer-Tieman reaction
(2)Cannizzaro reactionCorrect
(3)Wurtz reaction
(4)Friedel-Crafts acylation

Answer: (2)

Solution

Reimer-Tiemann reaction: phenol + gives salicylaldehyde; a new C-C bond (ring carbon to ) is formed. Cannizzaro reaction: (disproportionation by hydride transfer); no new C-C

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Question ID VK-090548