Which of the following statements is not true for acetaldehyde ?

It will undergo an aldol condensation reaction.

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It will undergo a Cannizzaro reaction.

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It will undergo a haloform reaction

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Enolisation is catalysed by acid or base.

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Solution

The correct option is B It will undergo a Cannizzaro reaction.
Acetaldehyde contains $α - H$ , so it undergoes aldol condensation rather than Cannizzaro reaction.

It undergoes the haloform reaction as it contains $- C O C H_{3}$ group.

As it contains the alpha hydrogen it undergoes enolisation.

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Similar questions

Which of the following compounds would undergo aldol condensation, which the Cannizzaro reaction and which neither ? Write the structures of the expected products of aldol condensation or Cannizzaro reaction ?

Methanal

2-methyl pentanal

Benzaldehyde

Benzophenone

Cyclohexanone

l - phenyl propanone

Phenyl acetaldehyde

Butan - 1 - ol

2, 2 - dimethyl butanal

Q. Assertion :Aldol condensation can be catalysed both by acids and bases. Reason:

β

Hydroxy aldehydes or ketones readily undergo acid catalysed dehydration.

Q. Which of the following will not undergo aldol condensation?

Q. Which of the following does not undergoes aldol condensation reaction?

Q. Which of the following will undergo aldol condensation?

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Which of the following statements is not true for acetaldehyde ?

The correct option is B It will undergo a Cannizzaro reaction.Acetaldehyde contains α−H, so it undergoes aldol condensation rather than Cannizzaro reaction. It undergoes the haloform reaction as it contains −COCH3 group.As it contains the alpha hydrogen it undergoes enolisation.

The correct option is B It will undergo a Cannizzaro reaction.
Acetaldehyde contains $α - H$ , so it undergoes aldol condensation rather than Cannizzaro reaction.

It undergoes the haloform reaction as it contains $- C O C H_{3}$ group.

As it contains the alpha hydrogen it undergoes enolisation.