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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. It is possible to obtain para isomers of anilines as the major product in electrophilic ring substitution of aniline.
2. The reaction between methylamine and hydrogen iodide results in the formation of a _______
3. The alkylation of amines with alkyl halides is carried out in the presence of which of the following?
4. 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?
5. Aniline is a _______ directing compound.
6. Which of the following groups when present at para position increases the basic strength of aniline?
7. The reaction between ethanamine and acetyl chloride will give N-ethylethanamide only in the presence of a strong base, like pyridine.
8. If x and y are the pKb values of p-methylaniline and N,N-dimethylaniline, what is the relation between x and y?
9. Which of the following is formed from the reaction between RNHR’ and R”OCl, where R, R’ and R” are three different alkyl groups?
10. Diethylamine reacts with nitrous acid in the cold to form _______
11. What is the correct order of pKb values of the following amines?
12. Which of the following is associated with decrease in pKb value of amines?
13. Identify X if the shown compound has a higher pKb value than aniline.
Find compound which has a higher pKb value than aniline
14. What is the correct order of basicity of aliphatic amines purely on the basis of solvation effect of the ammonium cation?
15. 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?
16. What is the correct order of basic strength of the following ethyl substituted amines in aqueous solution? (R=ethyl group)
17. What is the product of the benzoylation of aniline in the presence of aqueous NaOH?
18. Tertiary amines dissolve in nitrous acid to form corresponding salts.
19. Which of the following will have the highest pKb value?
20. The equilibrium constant of the reaction of amines with _____ is taken as a measure of its basic character.
21. What is the major product formed when aniline reacts with bromine water at room temperature?
22. Phenylmethanamine is more basic than benzenamine.
23. What is the main product of the following reaction?
Product of reaction is Phenol which react with nitrous acid to form diazonium salts
24. Hinsberg’s reagent is _______
25. During the acylation of an aliphatic primary amine, which of the following is replaced by an acyl group?

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