Which compound is an aldehyde?
Understand the Problem
The question is asking to identify which of the given compounds is an aldehyde based on their molecular structures. An aldehyde is characterized by a carbonyl group (C=O) attached to at least one hydrogen atom.
Answer
IV
The compound with an aldehyde functional group is IV.
Answer for screen readers
The compound with an aldehyde functional group is IV.
More Information
Aldehydes contain a carbonyl group bonded to at least one hydrogen atom, differentiating them from ketones where the carbonyl group is bonded between two carbon atoms.
Tips
A common mistake is confusing aldehydes with ketones. Remember, aldehydes have the carbonyl group at the end of the molecule.
Sources
- Aldehyde - Wikipedia - en.wikipedia.org
- Aldehyde | Definition, Structure, Examples, & Facts - Britannica - britannica.com
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