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Class 12 Chemistry Practice Test: Amines Chemical Reactions
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Class 12 Chemistry Practice Test: Amines Chemical Reactions
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25 Questions

1. Which of the following groups when present at para position increases the basic strength of aniline?
2. The activating effect of -NHCOCH3 group is ______ as compared to -NH2 group.
3. Amines are generally ______ in nature.
4. The reaction shown below gives ________
Amine treated with CH3COCl is a tertiary amine (N,N-dimethylmethanamine)
5. What is the order of quantities of all isomers of nitroaniline formed on the reaction of aniline with nitric acid and sulphuric acid at 288K?
6. Which of the following aromatic amines has lower pKb value than ammonia?
7. If ‘a’ is the pKb value of aniline and ‘b’, ‘c’ and ‘d’ are the pKb values of o-, m- and p- isomers of methylaniline respectively, what is the correct order of the values a, b, c and d?
8. The reaction between ethanamine and acetyl chloride will give N-ethylethanamide only in the presence of a strong base, like pyridine.
9. Identify the correct order of basic strength of the following substituted anilines?
10. Which of the following will have the highest pKb value?
11. What is the correct order of basic strength of the following ethyl substituted amines in aqueous solution? (R=ethyl group)
12. What is the product formed when ethanamine reacts with HBr?
13. Tertiary amines dissolve in nitrous acid to form corresponding salts.
14. Which of the following reactions/tests does not help in the distinction between ethylamine and diethylamine?
15. Which gas is produced when ethanamine reacts with nitrous acid?
16. If x and y are the pKb values of p-methylaniline and N,N-dimethylaniline, what is the relation between x and y?
17. The alkylation of amines with alkyl halides is carried out in the presence of which of the following?
18. Hinsberg’s reagent is _______
19. If the pKb value of ammonia is 4.75, predict the pKb value of methanamine?
20. The basic strength of alkylamines does not depend on which of the following?
21. What is the main product of the following reaction?
Product of reaction is Phenol which react with nitrous acid to form diazonium salts
22. Which of the following is not a likely product of the alkylation of amines with methyl iodide?
23. If the pKb value of p-nitroaniline is 13, predict the pKb value of its ortho isomer?
24. Which of the following is the least basic amine?
25. The treatment of N,N-dimethylaniline with acetic acid gives no reaction.

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