1. Tardigrade
  2. Question
  3. Chemistry
  4. Benzene carbaldehyde is reacted with conc. textNaOH solution to give the products textAB . The product textA can be used as a food preservative and the product textB is an aromatic hydroxy compound, where - textOH group is linked to textsp text3 -hybridised C-atom next to benzene ring. The products textA and textB respectively are

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Q. Benzene carbaldehyde is reacted with conc. $\text{NaOH}$ solution to give the products $\text{AB}$ . The product $\text{A}$ can be used as a food preservative and the product $\text{B}$ is an aromatic hydroxy compound, where $- \text{OH}$ group is linked to $\text{sp}^{\text{3}}$ -hybridised C-atom next to benzene ring. The products $\text{A}$ and $\text{B}$ respectively are

NTA AbhyasNTA Abhyas 2020Aldehydes Ketones and Carboxylic Acids

Solution:

Solution

When benzene carbaldehyde reacts with $\text{NaOH}$ , it proceeds via Cannizzaro reaction. It is a disproportionation reaction in which half of the molecules of aldehyde are oxidised to carboxylate state and other half are reduced to alcohol state.