Revision - Aldehydes, Ketones, Carboxylic Acids

Grade 12 Chemistry — Revision - Aldehydes, Ketones, Carboxylic Acids: 25 practice questions with instant scoring and explanations.

1. Nucleophilic addition to C=O gives:
2. HCN adds to aldehyde to form:
3. Aldol condensation requires:
4. Aldol condensation produces:
5. Wittig reaction gives:
6. Phosphorane (Wittig reagent) from:
7. Haloform reaction with CH₃CO-R gives:
8. Acetal formation from alcohol + aldehyde gives:
9. Carboxylic acids show peak at:
10. pKa of carboxylic acids is around:
11. Carboxylic acids with electron-withdrawing groups become:
12. Ester formation (Fischer): RCOOH + R'OH gives:
13. Reduction of carboxylic acids with LiAlH₄ gives:
14. DIBAL-H reduction of carboxylic acids gives:
15. Decarboxylation of carboxylic acids gives:
16. Hell-Volhard-Zelinsky: α-bromo carboxylic acid from:
17. Adipic acid (HOOC-(CH₂)₄-COOH) is a:
18. Dicarboxylic acids are more acidic than monocarboxylic due to:
19. Oxalic acid H₂C₂O₄ is:
20. Malonic acid undergoes:
21. α,β-unsaturated carboxylic acids undergo:
22. Benzoic acid is prepared from toluene by:
23. Aromatic carboxylic acids: C₆H₅COOH is called:
24. Carboxylic acids form dimers through:
25. Solubility of carboxylic acids decreases with: