Carbonyl Compounds MCQs [Organic Chemistry]

By: Prof. Dr. Fazal Rehman | Last updated: May 23, 2025

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1. : Which reagent will react with both aldehyde and ketone?



2. : Acetone can be converted into pinacol by



3. : Which compounds will not give iodoform test on treatment with I2/NaOH?



4. : Carbonyl compounds react with hydroxylamine to form ___________.



5. : Which test is not given by aldehyde?



6. : Paraldehyde is helpful and used as_________.



7. : The correct order of reactivity of CH3CHO, C₂H3COCH, and CH3COCH3 is

9. : Industrial production of acetaldehyde is done by



10. : In which compounds, carbon number is decreased during oxidation?



11. : Which will not show haloform reaction?



12. : What is a mixed ketone?



13. : Which aldehyde is most reactive?



14. : The condensation between formaldehyde and acetaldehyde in the presence of conc. NaOH and heat gives



15. : The reagent which can be helpful and used to distinguish acetophenone from benzophenone is



16. : Ketones are prepared by the oxidation of



17. : When a formaldehyde solution is evaporated to dryness, a white crystalline solid is obtained. This is known as



18. : Which does not give Cannizzaro’s reaction?



19. : The C-atom in aldehyde and ketone is _________ hybridized



20. : Which is least reactive?



21. : Schiff’s reagent gives pink color with ________.



22. : Which test is used to distinguish between aldehyde and ketone?



23. : Which will undergo nucleophilic addition reaction more easily?



24. : Aldol consists of



25. : Calcium formate on dry distillation yields



26. : Which reaction is not given by acetone?



27. : Which is the strongest reducing agent?



28. : What will happen when aldehyde reacts with Tollen’s reagent?



29. : The red brown ppt of Fehling solution and Benedict solution tests are of ______.



30. : Ketone on reduction produces which of the following?



31. : Which statement regarding carbonyl group is not correct?



32. : Reactivity of carbonyl compounds is due to



 

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