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Class 12 Chemistry (Part Ii) Chapter 12 Aldehydes Quiz 7 (25 MCQs)

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1. Which of the following is an example of a ketone?
2. When benzyl alcohol is oxidised with KMnO$_{4}$, the product obtained is which of the following compound?
3. Aldehyde reacts with Tollen's reagent forming:
4. The Pistachio flavor of ketone present in
5. What is the difference between aldehyde and ketones?
6. Provide the IUPAC name for the following compound:CH3COCH3.
7. What type of hybridization occurs in carbon atom of the carbonyl group of aldehydes and ketones?
8. What is the IUPAC name for the following compound:CH3CHO?
9. Which of the following compounds will give a positive Fehling's test?
10. The common name for CH3CH2COOH is:
11. Which interaction has the greatest effect on the physical properties of carboxylic acids?
12. C$_{6}$H$_{5}$CH=CHCHO is
13. How many hydrogens does butane have?
14. When reacted with a strong reducing agent, aldehydes turn into
15. What is the red precipitate formed in Fehling's test?
16. Why are aldehydes more reactive than ketones towards nucleophilic additions?
17. What is the first step of a base catalyzed nucleophillic addition reaction of a ketone?
18. The ozonolysis of an alkene can produce:
19. Acidified potassium dichromate (VI) has the following colour change during oxidation
20. State the conditions required for the Tollens' silver mirror test.
21. Which of the following substances produces 3-pentanol when reduced by H$_{2}$?
22. Colour change observed when acidified potassium dichromate reacts with an alcohol, aldehyde or ketone
23. In Friedel-Crafts Acylation, what type of compound is acylated to form ketones?
24. How can a secondary alcohol be oxidized to form a ketone?
25. HVZ reaction involves
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