1. Tardigrade
  2. Question
  3. Chemistry
  4. Reaction by which benzaldehyde cannot be prepared is

Q. Reaction by which benzaldehyde cannot be prepared is

 354  136 Aldehydes Ketones and Carboxylic Acids Report Error

Solution:

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This reaction is known as Etard reaction.
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This reaction is known as Rosenmund reduction.
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This reaction is known as Gattermann-Koch aldehyde synthesis.
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Thus, from the reagents given in option (d) benzaldehyde cannot be prepared.