1. Carboxylic acids contain the functional group
Answer: D. –COOH
Chemistry Class 10 Unit 11: Carboxylic Compounds MCQs
27 multiple choice questions with the correct answer for each. Tap an option to check yourself, or switch on "Show all answers".
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2. The common name of methanoic acid is
Answer: A. formic acid
3. The common name of ethanoic acid is
Answer: B. acetic acid
4. Ethanoic acid can be formed from ethanol by oxidation using
Answer: C. acidified potassium permanganate(VII) or potassium dichromate
5. In the oxidation of ethanol to ethanoic acid, the role of potassium manganate(VII) is that of an
Answer: C. oxidising agent
6. In the first step of oxidation of ethanol, ethanol is converted to
Answer: B. ethanal
7. Ethanal is further oxidised to
Answer: A. ethanoic acid
8. The equation C₂H₅OH + 2[O] → CH₃COOH + H₂O represents
Answer: D. oxidation of ethanol to ethanoic acid
9. Vinegar is produced from ethanol by the action of micro-organisms called
Answer: A. acetobacter
10. Bacterial oxidation of ethanol to vinegar needs
Answer: B. an aerobic environment (oxygen)
11. Typical vinegar contains about
Answer: C. 4–8 % acetic acid
12. The main component of vinegar is
Answer: D. ethanoic acid
13. Carboxylic acids are ______ than mineral acids.
Answer: B. weaker acids
14. Ethanoic acid reacts with sodium hydroxide to form
Answer: D. sodium ethanoate
15. Ethanoic acid reacts with sodium carbonate to form
Answer: A. sodium ethanoate, water and carbon dioxide
16. What gas is produced when a carboxylic acid reacts with a carbonate?
Answer: C. Carbon dioxide
17. The gas released when a carboxylic acid reacts with an active metal is
Answer: A. hydrogen
18. The carboxylic acid reacts with an alcohol in the presence of an acid catalyst to form an
Answer: B. ester
19. The catalyst used in esterification is
Answer: C. concentrated sulphuric acid
20. A reaction in which two molecules combine with the elimination of a small molecule like water is called a
Answer: D. condensation reaction
21. The ester formed from methanol and ethanoic acid is
Answer: B. methyl ethanoate
22. Sodium salts of fatty acids are used in making
Answer: A. soaps and detergents
23. Citric acid is used as a natural
Answer: C. preservative
24. Esters are used as industrial solvents for
Answer: D. dyes, glues, inks and nail polish remover
25. The ester isopentyl acetate has the flavour of
Answer: B. banana
26. Aspirin is an example of an
Answer: D. ester
27. Ethanoic acid solution (5 %) is used as
Answer: A. vinegar
About Chemistry Class 10 Unit 11 MCQs (Federal Board)
These 27 Chemistry MCQs cover Class 10 Unit 11: Carboxylic Compounds of the Federal Board (FBISE) SSC-II (Class 10) syllabus. They are SLO-based MCQs as per the new pattern for FBISE exams. Each question has four options and the correct answer is shown, so you can practise for the annual examination and find the topics you still need to revise. You can also read the Carboxylic Compounds notes for this chapter. Download the Carboxylic Compounds MCQs as a PDF using the button at the top of this page.