Question detail
What is the product of the oxidation of an aldehyde?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Aldehydes and ketones (A-level only)
Question
- A. Alcohol
- B. Carboxylic acid
- C. Ketone
- D. Alkene
Answer
Carboxylic acid
Explanation
The oxidation of an aldehyde results in the formation of a carboxylic acid. This is due to the addition of an oxygen atom and the removal of hydrogen, which converts the aldehyde functional group (-CHO) into a carboxylic acid functional group (-COOH).
Common mistake
Confusing Aldehydes and Ketones
Students often confuse aldehydes with ketones, thinking both can be oxidized to carboxylic acids.
Remember that only aldehydes can be oxidized to carboxylic acids, while ketones cannot. Use the structure of the carbonyl group to identify them: aldehydes have the carbonyl group at the end of the carbon chain, while ketones have it within the chain.
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