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Which functional group is present in acetaldehyde ?

easy MCQ 1 mark Class 10 · Science · Carbon and its Compounds
  1. Hydroxyl group
  2. Aldehyde group
  3. Carboxyl group
  4. Amino group
Answer
Aldehyde group

The correct answer is Aldehyde group — Select the option that names this group.

Step-by-step solution

  1. Identify the carbonyl group () attached to a carbon that is also bonded to at least one hydrogen.
  2. Such a structure corresponds to an aldehyde functional group.
  3. Select the option that names this group.
Common mistake: Confusing the aldehyde group with a hydroxyl (alcohol) group because both contain oxygen.

Concept tested: Functional groups

Published · How this solution was prepared and checked

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