Chemistry
—C—H group is the functional group of:
- 2-butylene
- Pentanal
- Acetic acid
- Ethyl alcohol
Organic Chemistry
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Answer
Pentanal
Reason — The –CHO group is the characteristic functional group of aldehydes. It contains a carbonyl group (C=O) bonded to a hydrogen atom, and aldehyde names end with the suffix “-al”. Pentanal is an aldehyde that consists of five carbon atoms and the –CHO functional group, so it fits the description.
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