This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 13 Amines – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 18 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Why does Reductive Amination not work with LAH/NaBH4? A) They do not react with amines. B) They reduce the ketone/aldehyde instead. C) They form imines instead of amines. D) They are not strong enough reducing agents. Show Answer Correct Answer: B) They reduce the ketone/aldehyde instead. 2. In Hinsberg reaction, after the reaction with benzene sulfonil chloride, secondary amine will ..... in base solution, than ..... in acid solution. A) Soluble, insoluble. B) Insoluble, no change. C) No change, Soluble. D) Soluble, no change. Show Answer Correct Answer: B) Insoluble, no change. 3. Ethyl amine can be prepared by the action of bromine and caustic potash on which compound? A) Acetamide. B) Formamide. C) Propanamide. D) Methyl cyanide. Show Answer Correct Answer: C) Propanamide. 4. In aqueous phase, the substituted ammonium cations get stabilised by ..... , ..... and ..... of the alkyl groups. A) -I effect, solvation effect, steric repulsion. B) +I effect, +M effect, steric attraction. C) +I effect, -M effect, steric shielding. D) +I effect, solvation effect, steric hinderance. Show Answer Correct Answer: D) +I effect, solvation effect, steric hinderance. 5. How are amines classified based on the number of alkyl or aryl groups attached to the nitrogen atom? A) Primary, Secondary, Tertiary. B) Tertiary, Quaternary, Secondary. C) Secondary, Quaternary, Primary. D) Primary, Quaternary, Tertiary. Show Answer Correct Answer: A) Primary, Secondary, Tertiary. 6. Which of the following species are involved in the carbylamine test? A) R-NC. B) CHCl3. C) COCl2. D) NaNO2 + HCl. Show Answer Correct Answer: A) R-NC. 7. Sulphanilic acid react with potassium nitrite, KNO$_{2 }$in HCI acid at suitable conditions. This reaction is known as A) Electrophilic substitution. B) Formation of diazonium ion salt. C) Nucleophilic addition. D) Coupling raction. Show Answer Correct Answer: B) Formation of diazonium ion salt. 8. Imine's have a $C=N$ A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. In addition to functioning as a base, what other role can amines play due to their lone pair of electrons? A) Act as a nucleophile. B) Serve as an electrophile. C) Function as a solvent. D) Act as an oxidizing agent. Show Answer Correct Answer: A) Act as a nucleophile. 10. How can a basic buffer be made from an amine? A) By combining a strong acid with a salt of that strong acid. B) By combining a weak acid with a salt of that weak acid. C) By combining a strong base with a salt of that strong base. D) By combining a weak base with a salt of that weak base. Show Answer Correct Answer: D) By combining a weak base with a salt of that weak base. 11. The main functional groups present in ethanolamine are: A) -NH2 and-COOH. B) -NH2 and-OH. C) -NH and-CHO. D) -COOH and-OH. Show Answer Correct Answer: B) -NH2 and-OH. 12. On nitration of aniline, good amount of m-nitroaniline is obtained. This is due to- A) In nitration mixture, ortho-& para-activity of-NH$_{2}$ group is completely lost. B) -NH$_{2}$ becomes-NH$_{3}$$^{+}$, which is m-directing. C) -NH$_{2}$ becomes-NH$^{+}$SO$_{4}$$^{-}$, which is m-directing. D) -NH$_{2}$ becomes-NH$^{-}$NO$_{2}$$^{+}$, which is m-directing. Show Answer Correct Answer: B) -NH$_{2}$ becomes-NH$_{3}$$^{+}$, which is m-directing. 13. Which group does the diazonium salt contain that directs the electrophilic substitution reaction? A) Deactivating group. B) Electron-withdrawing group. C) Activating group. D) None of the above. Show Answer Correct Answer: C) Activating group. 14. In tollens, the silver ions are ..... A) Oxidised. B) Reduced. C) All the above. D) None of the above. Show Answer Correct Answer: B) Reduced. 15. IUPAC name of CH3-NH-C2H5 A) N-Methyl ethanamine. B) N-Ethyl methanamine. C) Ethyl methyl amine. D) Methyl ethyl amine. E) 1. Show Answer Correct Answer: A) N-Methyl ethanamine. 16. Hmm A) A. B) B. C) C. D) D. Show Answer Correct Answer: D) D. 17. What is the effect of branching on the boiling point of amines? A) Increases volatility. B) Increases boiling point. C) Decreases boiling point. D) No effect on boiling point. Show Answer Correct Answer: C) Decreases boiling point. 18. Triethylamine is used in the synthesis of rubber vulcanization enhancers, medicines, dyes, tannins, drugs against weeds and insects. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 19. What is the role of the nitrogen atom in amines? A) It acts as a proton donor. B) It acts as a proton acceptor. C) It has no role in basicity. D) It forms covalent bonds only. Show Answer Correct Answer: B) It acts as a proton acceptor. 20. Hexadiamine and hexanedioic acid are the monomers for A) Kevlar. B) Nylon 6, 6. C) Nylon 6. D) Terylene. Show Answer Correct Answer: B) Nylon 6, 6. 21. Reduction of nitro compounds is suitable for preparing aromatic amines. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 22. Amines are highly soluble in A) Dilute acids. B) Strong bases. C) Weak bases. D) Polar solvents. Show Answer Correct Answer: A) Dilute acids. 23. Name the product for the following reaction:CH$_{3}$CH$_{2}$CH$_{2}$CONH$_{2 }$+ Br$_{2 }$+ NaOH $\rightarrow$ A) CH$_{3}$CH$_{2}$CH$_{2}$Br. B) CH$_{3}$CH$_{2}$CH$_{2}$NH$_{2}$. C) CH$_{3}$CH$_{2}$CH$_{2}$COOH. D) CH$_{3}$CH$_{2}$CH$_{2}$CH$_{2}$NH$_{2}$. Show Answer Correct Answer: B) CH$_{3}$CH$_{2}$CH$_{2}$NH$_{2}$. 24. What is used ito make reagents for acceleration of vulcanization processes A) Aniline. B) Diethylamine. C) Methylamine. D) Triethylamine. Show Answer Correct Answer: B) Diethylamine. 25. CH$_{3}$CH$_{2}$CH$_{2}$NH$_{2 }$ what type of amine is it? A) Primary. B) Secondary. C) Tertiary. D) None of the above. Show Answer Correct Answer: A) Primary. ← PreviousNext →Related QuizzesClass 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 1Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 2Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 3Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 4Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 5Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 6Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 7Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 8Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 9Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books