CBSE 12 Chemistry · U8
Aldehydes, Ketones and Carboxylic Acids
Nomenclature and structure of carbonyl and carboxyl groups, preparation and reactions of aldehydes, ketones and carboxylic acids, distinguishing tests, acidity trends, conversions and uses. Theory weightage: 8 marks.
Test yourself
A focused, distraction-free run through 25 multiple-choice questions. Hints if you need them; your score at the end.
Difficulty guide
The label describes the problem, not your ability.
1/5 - Foundational
Warm-up setup; checks one basic idea.
2/5 - Routine exam skill
Normal syllabus skill; usually one main rule or interpretation.
3/5 - Standard multi-step
Exam-style problem with multiple steps or a common trap.
4/5 - Hard exam skill
High-end exam problem; combines methods carefully.
5/5 - Challenge
Stretch problem beyond normal exam pressure.
Topic 8.1
Nomenclature and Structure
Name aldehydes, ketones and carboxylic acids, identify priority order, and connect the polarity of carbonyl and carboxyl groups with reactivity.
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Topic 8.2
Preparation of Aldehydes and Ketones
Choose selective oxidations, reductions and aromatic formylation/acylation routes with the correct reagent conditions.
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Topic 8.3
Reactions of Aldehydes and Ketones
Use nucleophilic addition, oxidation tests, reduction, aldol, Cannizzaro and iodoform reactions to identify products and distinguish compounds.
Topic 8.4
Carboxylic Acids
Prepare carboxylic acids, compare acidity, and predict reactions with bases, alcohols, thionyl chloride, soda lime and alpha-halogenation conditions.
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Topic 8.5
Mixed Conversions, Tests and Uses
Solve integrated board-style conversion and identification tasks involving aldehydes, ketones and carboxylic acids.