Question detail
Write the balanced equation for the oxidation of propanal (C2H5CHO) to propanoic acid (C2H5COOH).
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Aldehydes and ketones (A-level only)
Question
Write the balanced equation for the oxidation of propanal (C2H5CHO) to propanoic acid (C2H5COOH).
Answer
C2H5CHO + [O] → C2H5COOH
Explanation
This answer is strong as it provides a clear representation of the oxidation process, showing the reactants and products involved. It tests the ability to balance chemical equations and understand the transformation of functional groups.
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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