1. Tardigrade
  2. Question
  3. Chemistry
  4. Benzene carbaldehyde is reacted with concentrated NaOH solution to give the products A and B. The product A can be used food preservative and the product B is an aromatic hydroxy compound where OH gorup is linked to sp3 hybridised carbon atom next to Benzene ring. The products A and B are respectively,

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Q. Benzene carbaldehyde is reacted with concentrated $NaOH$ solution to give the products $A$ and $B$. The product $A$ can be used food preservative and the product $B$ is an aromatic hydroxy compound where $OH$ gorup is linked to $sp^3$ hybridised carbon atom next to Benzene ring. The products $A$ and $B$ are respectively,

KCETKCET 2016Aldehydes Ketones and Carboxylic Acids

Solution:

When benzene carbaldehyde reacts with $NaOH$, it proceeds via Cannizzaro reaction. It is a disproportionation reaction in which half of the molecules of aldehyde are oxidised and other half are reduced.

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