This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part Ii > Class 12 Chemistry (Part Ii) Chapter 13 Amines – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Aniline is used in ..... A) Dyes. B) Medicine. C) Photographic materials. D) All of them. Show Answer Correct Answer: D) All of them. 2. Nitrogen orbitals in amines are ..... hybridised. A) Sp$^{3}$. B) Sp. C) Sp$^{3}$d. D) Sp$^{2}$. Show Answer Correct Answer: A) Sp$^{3}$. 3. What is the purpose of continuous monitoring experiments in chemical reactions? A) To determine the final color of the product. B) To take measurements at regular intervals during the reaction. C) To measure the initial temperature of the reaction. D) To calculate the theoretical yield of the reaction. Show Answer Correct Answer: B) To take measurements at regular intervals during the reaction. 4. Which of the following is NOT a class of amine? A) Tertiary. B) Primary. C) Quaternary. D) Secondary. Show Answer Correct Answer: C) Quaternary. 5. Aniline does not undergo ..... A) Friedel Craft's reaction. B) Isocyanide reaction. C) Carbylamine reaction. D) Diazotization. Show Answer Correct Answer: A) Friedel Craft's reaction. 6. The source of nitrogen in Gabriel synthesis of amines is ..... A) Potassium cyanide, KCN. B) Sodium nitrite, NaNO2. C) Potassium phthalimide, C6H4(CO)2N-K+. D) Sodium azide, NaN3. Show Answer Correct Answer: D) Sodium azide, NaN3. 7. NaNO$_{2 }$+ HCL is used in A) Alkylation. B) Friedel Craft. C) Diazotization. D) Acylation. Show Answer Correct Answer: C) Diazotization. 8. When aniline is treated withCHCl3 and KOH the product is A) Phenylisocyanide. B) P-chloroaniline. C) M-chloroaniline. D) Benzonitrile. Show Answer Correct Answer: A) Phenylisocyanide. 9. Estimated pK$_{a }$of pyrrole A) 0-1. B) 5-6. C) 9-11. D) 35-38. Show Answer Correct Answer: A) 0-1. 10. What is used to reduce amides to form amines? A) Excess, hot ethanolic ammonia under pressure. B) Excess, hot ethanolic ammonia. C) H2 and Ni catalyst. D) LiAlH4 in dry ether. Show Answer Correct Answer: D) LiAlH4 in dry ether. 11. Which of the following is synthesized from a parent compound by replacement of one atom with another atom or group of atoms? A) Alkyl group. B) Reduction. C) Derivatives. D) Synthesis. Show Answer Correct Answer: C) Derivatives. 12. Which of the following amines is used in the manufacture of Nylon-6, 6? A) Dihexylamine. B) Cyclohexylamine. C) 1-Hexylamine. D) 1, 6-Hexanediamine. Show Answer Correct Answer: D) 1, 6-Hexanediamine. 13. 3$^{0}$ amines has the lowest boiling point compared to its isomeric 2$^{0}$ and 1$^{0}$ amines because they can not form hydrogen bond among themselves. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 14. What is the main product when nitrobenzene is reduced? A) Benzylamine. B) Aniline. C) Nitrosobenzene. D) Phenylhydrazine. Show Answer Correct Answer: B) Aniline. 15. What is the effect of electron withdrawing groups on the basic strength of aromatic amines? A) No effect. B) Decrease basic strength. C) Double the basic strength. D) Increase basic strength. Show Answer Correct Answer: B) Decrease basic strength. 16. Which reagent is used to substitute a hydroxyl group (-OH) for a diazonium group in the reactions of aryl diazonium salts? A) H3PO2. B) HBF4. C) H2O. D) CuX where X = Cl, Br, I. Show Answer Correct Answer: C) H2O. 17. What are some common uses of amines in everyday life? A) Ingredients in pharmaceuticals, dyes, pesticides, production of plastics, rubber, and solvents. B) In construction materials. C) As fuel for vehicles. D) Used in food preservation. Show Answer Correct Answer: A) Ingredients in pharmaceuticals, dyes, pesticides, production of plastics, rubber, and solvents. 18. What is the product of the reaction between Carboxylic Acid and Amine? A) Sodium Ethanoate. B) Calcium Ethanoate. C) Alkylammonium Salt. D) Lithium Ethanoate. Show Answer Correct Answer: C) Alkylammonium Salt. 19. Estimated pK$_{a }$of MeNH$_{3}$$^{+}$ A) 10-11. B) 5-7. C) 35-38. D) None of the above. Show Answer Correct Answer: A) 10-11. 20. In Hinsberg reaction, after the reaction with benzene sulphonyl chloride, primary amine will remain ..... in base solution, & then ..... in acid solution. A) No change, Soluble. B) Soluble, no change. C) Insoluble, no change. D) Soluble, insoluble. Show Answer Correct Answer: D) Soluble, insoluble. 21. Phenylmethylamine is stronger base than phenylamine A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 22. Which statement best describes amino acids? A) They are acidic. B) They are basic. C) The are both acidic and basic. D) They are neither acidic nor basic. Show Answer Correct Answer: C) The are both acidic and basic. 23. What is the classification of an amine with two alkyl groups attached to a nitrogen atom? A) Quaternary amine. B) Tertiary amine. C) Primary amine. D) Secondary amine. Show Answer Correct Answer: D) Secondary amine. 24. State the reagent used to convert butanamine to butanol. A) Water, H$_{2}$O. B) Sodium hydroxide, NaOH. C) Nitric acid, HNO$_{3}$. D) Nitrous acid, HNO$_{2}$. Show Answer Correct Answer: D) Nitrous acid, HNO$_{2}$. 25. Select all of the function groups that DO NOT undergo hydrolysis A) Carboxylic Acid. B) Anhydrides. C) Esters. D) Amides. E) Acid Chorides. Show Answer Correct Answer: A) Carboxylic Acid. 26. Secondary amine is compound that ..... of hydrogen atom/s in ammonia molecule has/have been replaced. A) One. B) Two. C) All. D) None. Show Answer Correct Answer: B) Two. 27. Compound Z is an amine with four carbon atoms. Which of the following statements about compound Z is not correct? A) Compound Z has a higher boiling point than butan-1-ol. B) Compound Z has a fishy, ammoniacal odour. C) Compound Z is more soluble in water that butane. D) Compound Z is more volatile than butanoic acid. Show Answer Correct Answer: A) Compound Z has a higher boiling point than butan-1-ol. 28. Which of the following is a characteristic of aromatic amines? A) More basic than aliphatic amines. B) Less soluble in water. C) Higher boiling points than aliphatic amines. D) Lower reactivity than aliphatic amines. Show Answer Correct Answer: D) Lower reactivity than aliphatic amines. 29. The correct IUPAC name for CH$_{2}$=CHCH$_{2}$ NHCH$_{3}$ is A) Allylmethylamine. B) 2-amino-4-pentene. C) 4-aminopent-1-ene. D) N-methylprop-2-en-1-amine. Show Answer Correct Answer: D) N-methylprop-2-en-1-amine. 30. Which of the following is true about polyalkenes? A) They are easily biodegradable. B) They are chemically inert. C) They are highly reactive. D) They are soluble in water. Show Answer Correct Answer: B) They are chemically inert. 31. What is the starting material for the Gabriel Synthesis of amines? A) Cyanoborohydride. B) Aldehyde. C) Phthalimide. D) Ketone. Show Answer Correct Answer: C) Phthalimide. 32. Reduction of amides can prepare primary, secondary and tertiary amines. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 33. Besides the ortho and para derivatives, significant amount of meta derivativeis also formed when aniline is nitrated in strongly acidic medium. It is because A) Aniline is deprotonated. B) Aniline is protonated to form theanilinium ion which is meta directing. C) -NH2 group is meta directing. D) +R-effect of-NH2 group. Show Answer Correct Answer: B) Aniline is protonated to form theanilinium ion which is meta directing. 34. Which of the following cannot be prepared by Sandmeyer's reaction? A) Iodobenzene. B) Fluorobenzene. C) Bromobenzene. D) Chlorobenzene. Show Answer Correct Answer: B) Fluorobenzene. 35. The position of a signal along the x-axis of an NMR spectra is called A) Smaller chemical shift. B) Chemical shift. C) Larger chemical shift. D) Resonance frequency. Show Answer Correct Answer: B) Chemical shift. 36. Benzenediazonium chloride react with KI to form A) Iodobenzene. B) O and p-diiodo benzene. C) M-diiodobenzene. D) Benzenediazoniumiodide. Show Answer Correct Answer: A) Iodobenzene. 37. Which compound is used in gas purification (removal of CO2 and H2S)? A) Ethylenediamine. B) Ethanolamine. C) Diethylamine. D) Trimethylamine. Show Answer Correct Answer: B) Ethanolamine. 38. Amines are derivatives from ..... A) Amides. B) Ammonia. C) Carboxylic acid. D) Nitrates. Show Answer Correct Answer: B) Ammonia. 39. Which of the following is a property of Carboxylic Acids? A) They have lower boiling points than alkanes. B) They are weakly acidic. C) They are insoluble in water. D) They are non-polar. Show Answer Correct Answer: B) They are weakly acidic. 40. Discuss the basicity of amines compared to ammonia. A) Amines are acidic compared to ammonia. B) Amines are more basic than ammonia. C) Amines and ammonia have the same basicity. D) Amines are less basic than ammonia. Show Answer Correct Answer: B) Amines are more basic than ammonia. 41. Reduction of nitrobenzene by which of the following reagent gives aniline? A) Fe/HCl. B) Sn/NH4OH. C) Sn/HCl. D) H2-Pd. Show Answer Correct Answer: A) Fe/HCl. 42. What is the suffix used for naming Amines? A) -ol. B) -anoic acid. C) -amine. D) -one. Show Answer Correct Answer: C) -amine. 43. What is the general formula for primary amines? A) R4N. B) RNH2. C) R2NH. D) RNH3. E) R3N. Show Answer Correct Answer: B) RNH2. 44. Amine's have NO carbonyl A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 45. What is the product of the reaction between methylamine and HCl? A) Methylamine hydroxide. B) Methylammonium chloride. C) Methylamine chloride. D) Methylamine sulfate. Show Answer Correct Answer: B) Methylammonium chloride. 46. Which type of amines are stronger bases than primary amines? A) Tertiary amines. B) Quaternary amines. C) Secondary amines. D) Aromatic amines. Show Answer Correct Answer: C) Secondary amines. 47. Amines are found in proteins. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 48. What will form when ethylbromide is treated with ethanolic ammonia? A) Methanamine. B) Ketone. C) Ethanamine. D) Amide. Show Answer Correct Answer: C) Ethanamine. 49. During the Nitration then Reduction process, which of the following is NOT used as a reducing agent? A) Fe, HCl. B) HNO3, H2SO4. C) LAH. D) H2/Pt. Show Answer Correct Answer: B) HNO3, H2SO4. 50. What is the product of the reaction between halogenoalkanes and ammonia? A) Tertiary amines. B) Quaternary ammonium salts. C) Primary amines. D) Secondary amines. Show Answer Correct Answer: B) Quaternary ammonium salts. 51. Why is the rate determining step important in a chemical reaction? A) It determines the color of the products. B) It determines the overall speed of the reaction. C) It determines the volume of the reactants. D) It determines the pressure of the system. Show Answer Correct Answer: B) It determines the overall speed of the reaction. 52. In a rate determining step, where do the reactants appear? A) In the rate equation. B) In the product equation. C) In the balanced equation. D) In the temperature equation. Show Answer Correct Answer: A) In the rate equation. 53. Which of the following compounds produces Ethyl amine by the action of NaOBr on it? A) Propanamide. B) Acetamide. C) Formamide. D) Methyl cyanide. Show Answer Correct Answer: A) Propanamide. 54. Which of the following is a 3$^\circ$ amine? A) Triethylamine. B) N-methylaniline. C) 1-methylcyclohexylamine. D) Tert-butylamine. Show Answer Correct Answer: A) Triethylamine. 55. Aniline can be converted into phenyl iso cyanide by A) Carbylamine Reagent. B) Iodoform. C) CU/HCL. D) Hinsberg Reagent. Show Answer Correct Answer: A) Carbylamine Reagent. 56. In Gabriel Phthalimide synthesis, Phthalimide can be converted into A) Secondary amine. B) Quaternary amines. C) Primary amine. D) Tertiary amine. Show Answer Correct Answer: C) Primary amine. 57. Amines-are compounds and functional groups that contain a basic nitrogen atom with a lone pair. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 58. What happens when amines react with acids? A) They form ammonium salts. B) They form carboxylic acids. C) They form alcohols. D) They form esters. Show Answer Correct Answer: A) They form ammonium salts. 59. What is the purpose of Ag2O in the Hofmann Elimination process? A) It forms a strong base, 'OH'. B) It acts as a heating agent. C) It forms a less substituted double bond. D) It forms a good leaving group, quaternary ammonium salt. Show Answer Correct Answer: D) It forms a good leaving group, quaternary ammonium salt. 60. What is the purpose of passing nitrile vapour and hydrogen gas over a nickel catalyst or LiAlH4 in dry ether? A) To form primary amines. B) To form tertiary amines. C) To form quaternary amines. D) To form secondary amines. Show Answer Correct Answer: A) To form primary amines. ← PreviousNext →Related QuizzesScience QuizzesClass 12 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 6Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 7Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 8Class 12 Chemistry (Part Ii) Chapter 10 Haloalkanes And Haloarenes Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books