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Class 12 Chemistry: Aldehydes, Ketones and Carboxylic Acids
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MCQs on carbonyl and carboxyl groups nomenclature and structure, aldehydes and ketones preparation, physical properties and chemical reactions, carboxylic acids methods and its uses, carboxylic acids physical properties and chemical reactions.

Class 12 Chemistry: Aldehydes, Ketones and Carboxylic Acids
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25 Questions

1. Identify the correct IUPAC name of CH3-CH=CH-CHO.
2. Which of the following methods cannot produce aldehydes?
3. Benzoic acid is almost insoluble in which of the following solvents?
4. Which of the following is not a dicarboxylic acid?
5. What is the proportion of Fehling solution A to Fehling solution B in the solution of Fehling's reagent for conducting Fehling's test?
6. What is the product of Clemmensen reduction on acetophenone?
7. Acetone is the common name of which of the following ketones?
8. Which of the following is the most acidic?
9. Which of the following reagents does not reduce the CO group of carboxylic acids to CH2 groups to form alcohols?
10. Which of the following is least reactive towards a nucleophilic attack?
11. Which of the following acids have a double bond in their structure?
12. Friedel-Crafts benzoylation of benzene gives ________
13. What is the IUPAC name of (C6H5)CH2CH2COOH?
14. Two compounds A and B were being tested for their boiling points. It was observed that A started boiling after B, when both were subjected to same conditions. If the compound B is acetone, which of the following can be compound A?
15. What is the IUPAC name of diisopropyl ketone?
16. It is given that the following compound has a higher pKa value than benzoic acid. Which is the most probable substituent group X of the compound?
Find the higher pKa from the given diagram<
17. Identify the correct IUPAC name of the following compound.
3-Methylcyclopent-2-en-1-one molecule structure
18. Which of the following is added to the tetrahedral intermediate when it reacts with a proton from the reaction medium?
19. What are the major products of the oxidation of pentan-2-one with concentrated HNO3 at very high temperatures?
20. Which of the following has the highest pKa value?
21. The pKa value is equivalent to ________
22. The compound 3-Phenylprop-2-enal is also known as _________
23. Which of the following exists as a gas at 287K?
24. How can methyl magnesium bromide be converted to propanoic acid?
25. Which of the following has a higher acidic character than benzoic acid?

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