Question detail
Name the first four carboxylic acids in the homologous series.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Reactions of alkenes and alcohols (chemistry only)
Question
Name the first four carboxylic acids in the homologous series.
Answer
The first four carboxylic acids in the homologous series are methanoic acid, ethanoic acid, propanoic acid, and butanoic acid.
Explanation
This question assesses recall of the names of the first four carboxylic acids, which is fundamental knowledge in organic chemistry. It tests the student's ability to remember specific examples from the homologous series. This response is aligned to Carboxylic acids because it explains describe what happens when any of the first four carboxylic acids react with alcohols using the correct AQA GCSE Chemistry organic context. Keep molecular formula, structural formula, displayed formula, and general formula distinct. Do not confuse alkanes with alkenes, saturated with unsaturated, cracking with combustion, polymers with monomers, or hydrocarbons with oxygen-containing alcohols and carboxylic acids. When formulae are used, preserve the stored notation exactly and explain the GCSE chemistry idea in words rather than using unsupported displayed-formula diagrams.
Common mistake
Confusion Between Carboxylic Acids and Alcohols
Students often confuse the functional groups of carboxylic acids and alcohols, leading to incorrect descriptions of their reactions.
Review the functional groups: carboxylic acids contain –COOH, while alcohols contain –OH. Practice writing the reactions between them to reinforce understanding.
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