This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part Ii > Class 12 Chemistry (Part Ii) Chapter 13 Amines – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 7 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The reagents that can be used to convert benzenediazonium chloride to benzene are ..... A) SnCl2/HCl. B) H3PO2. C) LiAlH4. D) CH3CH2OH. Show Answer Correct Answer: A) SnCl2/HCl. 2. $\frac{R'NH_2}{pTSA}$ A) Imine. B) Iminium ion. C) All the above. D) None of the above. Show Answer Correct Answer: A) Imine. 3. What is the product of the reaction between an aryl diazonium salt and CuCN? A) An aryl hydroxyl compound. B) An aryl cyanide. C) An aryl fluoride. D) An aryl halide. Show Answer Correct Answer: B) An aryl cyanide. 4. Hinsberg Reagent is A) Benzenesulphonyl fluoride. B) Benzenesulphonyl diachloride. C) Benzenesulphonyl trichloride. D) Benzenesulphonyl chloride. Show Answer Correct Answer: D) Benzenesulphonyl chloride. 5. Amines are classified by A) The number of alkyl groups attached to the nitrogen. B) The number of hydrogens attached to the nitrogen. C) The number of carbons attached to the carbon bonded to the nitrogen. D) The number of carbons present in the molecule. E) None of the above. Show Answer Correct Answer: A) The number of alkyl groups attached to the nitrogen. 6. Reduction of aromatic nitro compounds using Fe and HCl gives A) Aromatic hydrocarbon. B) Aromatic amide. C) Aromatic oxime. D) Aromatic primary amine. Show Answer Correct Answer: D) Aromatic primary amine. 7. What is the role of reduction in converting nitro compounds to amines? A) Reduction adds nitro groups to amines. B) Reduction converts nitro compounds to amines by transforming nitro groups into amino groups. C) Reduction converts amines to nitro compounds. D) Reduction removes amino groups from nitro compounds. Show Answer Correct Answer: B) Reduction converts nitro compounds to amines by transforming nitro groups into amino groups. 8. Methylamine reacts with HNO2 to form ..... A) CH3-O-CH3. B) CH3CHO. C) CH3OH. D) CH3-O-N=O. Show Answer Correct Answer: A) CH3-O-CH3. 9. What is the basicity of amines attributed to? A) The lone pair of electrons on the nitrogen atom. B) The alkyl groups. C) The hydrogen atoms. D) The presence of carbon atoms. Show Answer Correct Answer: A) The lone pair of electrons on the nitrogen atom. 10. In the nitration of benzene using a mixture of conc. H2SO4 and conc. HNO3, the species which initiates the reaction is ..... A) NO2+. B) NO2-. C) NO+. D) NO2. Show Answer Correct Answer: A) NO2+. 11. In Hinsberg reaction, after the reaction with benzene sulfonil chloride, tertiary amine will ..... in base solution, than ..... in acid solution. A) Insoluble, no change. B) Soluble, insoluble. C) No change, Soluble. D) Soluble, no change. Show Answer Correct Answer: C) No change, Soluble. 12. How is a secondary amine indicated in the IUPAC nomenclature? A) By adding the prefix "di-" to the name. B) By having one (N-) in the name. C) By including the suffix "-amine". D) By having two (N-) in the name. Show Answer Correct Answer: B) By having one (N-) in the name. 13. Which reaction produces primary amines from a halogenoalkane? A) Reduction of nitriles. B) Nucleophilic substitution of halogenoalkanes with primary amine. C) Reaction of halogenoalkanes with ammonia. D) Reduction of amides. Show Answer Correct Answer: C) Reaction of halogenoalkanes with ammonia. 14. R-cH=N-OH +Na+ C2H5-OH gives A) R-NH2. B) R2NH. C) RNH4. D) R3N. E) 1. Show Answer Correct Answer: A) R-NH2. 15. In the Hinsberg test, which of the following gives a soluble sulfonamide in alkali? A) Secondary amine. B) Tertiary amine. C) Quaternary ammonium salt. D) Primary amine. Show Answer Correct Answer: D) Primary amine. 16. Give correct names for the following amine:CH$_{3}$CH$_{2}$CH$_{2}$NHCH$_{3}$ A) Butan-2-amine. B) N-methylpropanamine. C) N-methyl-2-propanamine. D) None of the above. Show Answer Correct Answer: B) N-methylpropanamine. 17. In order to prepare a 1$^\circ$ amine from an alkyl halide with simultaneous addition of one CH2 group in the carbon chain, the reagent used as source of nitrogen is ..... A) Sodium amide, NaNH2. B) Potassium phthalimide, C6H4(CO)2N-K+. C) Sodium azide, NaN3. D) Potassium cyanide, KCN. Show Answer Correct Answer: C) Sodium azide, NaN3. 18. Which of the following reagents would not be a good choice for reducing an aryl nitro compound to an amine? A) H2(excess)/Pt. B) LiAlH4 in ether. C) Fe and HCl. D) Sn and HCl. Show Answer Correct Answer: A) H2(excess)/Pt. 19. Have a smell of death / decay or rotting fish A) Haloalkanes. B) Carboxylic acids. C) Amides. D) Amines. Show Answer Correct Answer: D) Amines. 20. The pKb of ethylamine (3.19) is less than that of ammonia (4.75) because of: A) Hydrogen bonding. B) Resonance stabilization. C) +I effect of the ethyl group. D) Steric hindrance. Show Answer Correct Answer: C) +I effect of the ethyl group. 21. Describe the continuous monitoring method for measuring rates of reaction and the graphs they produce. A) Continuous monitoring involves measuring the concentration of reactants at regular intervals. B) Continuous monitoring requires measuring the pH change over time. C) Continuous monitoring involves measuring the pressure change in a closed system. D) Continuous monitoring is used to determine the activation energy of a reaction. Show Answer Correct Answer: A) Continuous monitoring involves measuring the concentration of reactants at regular intervals. 22. One of the the limitation of Gabriel phthalimide synthesis is A) Reagents used are very expensive. B) Primary amines cannot be prepared by this method. C) Tertiary amines cannot be prepared by this method. D) Aromatic primary amines cannot be prepared by this method. Show Answer Correct Answer: D) Aromatic primary amines cannot be prepared by this method. 23. What is the first step in the Hofmann Elimination process when reacting with amines? A) Reacting the amine with excess CH3I. B) Forming a quaternary ammonium salt. C) Reacting the amine with Ag2O. D) Heating the amine. Show Answer Correct Answer: A) Reacting the amine with excess CH3I. 24. Which of the following statements is true regarding the basicity of amines? A) A lower pKa indicates a stronger base. B) Electron Donating Group (EDG) increases basicity. C) Electron Withdrawing Group (EWG) increases basicity. D) Electron Donating Group (EDG) decreases basicity. Show Answer Correct Answer: B) Electron Donating Group (EDG) increases basicity. 25. What type of amines does the Azide Synthesis reaction prepare? A) 2$^\circ$ and 3$^\circ$ amines. B) 1$^\circ$ amines. C) Both 1$^\circ$ and 2$^\circ$ amines. D) Both 2$^\circ$ and 3$^\circ$ amines. Show Answer Correct Answer: B) 1$^\circ$ amines. 26. Hinsberg's test gives yellow oil to A) Primary amine. B) Primary aliphatic amine. C) Secondary amine. D) Tertiary amine. Show Answer Correct Answer: C) Secondary amine. 27. Acid Chlorides and anhydrides only use $\frac{H_2O}{ }$ A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 28. LAH reduced carbonyl's A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 29. What is the product of the reaction between Ethanoic Acid and Sodium Hydroxide? A) Sodium Ethanoate and Water. B) Lithium Ethanoate and Hydrogen Gas. C) Calcium Ethanoate and Carbon Dioxide. D) Methylammonium Ethanoate. Show Answer Correct Answer: A) Sodium Ethanoate and Water. 30. ..... is shifting negative charge towards this spot in the molecule. A) Electron density. B) N atom. C) Weak base. D) Strong acid. Show Answer Correct Answer: A) Electron density. 31. Why does Reductive Amination not work with LAH/NaBH4? A) They reduce the ketone/aldehyde instead. B) They do not react with amines. C) They are not strong enough reducing agents. D) They form imines instead of amines. Show Answer Correct Answer: A) They reduce the ketone/aldehyde instead. 32. In Hinsberg reaction, after the reaction with benzene sulfonil chloride, secondary amine will ..... in base solution, than ..... in acid solution. A) No change, Soluble. B) Soluble, insoluble. C) Insoluble, no change. D) Soluble, no change. Show Answer Correct Answer: C) Insoluble, no change. 33. Ethyl amine can be prepared by the action of bromine and caustic potash on which compound? A) Propanamide. B) Acetamide. C) Methyl cyanide. D) Formamide. Show Answer Correct Answer: A) Propanamide. 34. 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. 35. How are amines classified based on the number of alkyl or aryl groups attached to the nitrogen atom? A) Tertiary, Quaternary, Secondary. B) Primary, Quaternary, Tertiary. C) Secondary, Quaternary, Primary. D) Primary, Secondary, Tertiary. Show Answer Correct Answer: D) Primary, Secondary, Tertiary. 36. Which of the following species are involved in the carbylamine test? A) CHCl3. B) NaNO2 + HCl. C) R-NC. D) COCl2. Show Answer Correct Answer: C) R-NC. 37. Sulphanilic acid react with potassium nitrite, KNO$_{2 }$in HCI acid at suitable conditions. This reaction is known as A) Electrophilic substitution. B) Coupling raction. C) Formation of diazonium ion salt. D) Nucleophilic addition. Show Answer Correct Answer: C) Formation of diazonium ion salt. 38. 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. 39. In addition to functioning as a base, what other role can amines play due to their lone pair of electrons? A) Serve as an electrophile. B) Act as an oxidizing agent. C) Act as a nucleophile. D) Function as a solvent. Show Answer Correct Answer: C) Act as a nucleophile. 40. How can a basic buffer be made from an amine? A) By combining a weak acid with a salt of that weak acid. B) By combining a strong base with a salt of that strong base. C) By combining a strong acid with a salt of that strong acid. 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. 41. 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. 42. On nitration of aniline, good amount of m-nitroaniline is obtained. This is due to- A) -NH$_{2}$ becomes-NH$^{+}$SO$_{4}$$^{-}$, which is m-directing. B) -NH$_{2}$ becomes-NH$_{3}$$^{+}$, which is m-directing. C) -NH$_{2}$ becomes-NH$^{-}$NO$_{2}$$^{+}$, which is m-directing. D) In nitration mixture, ortho-& para-activity of-NH$_{2}$ group is completely lost. Show Answer Correct Answer: B) -NH$_{2}$ becomes-NH$_{3}$$^{+}$, which is m-directing. 43. Which group does the diazonium salt contain that directs the electrophilic substitution reaction? A) Deactivating group. B) Electron-withdrawing group. C) Activating group. D) None of the above. Show Answer Correct Answer: C) Activating group. 44. In tollens, the silver ions are ..... A) Oxidised. B) Reduced. C) All the above. D) None of the above. Show Answer Correct Answer: B) Reduced. 45. IUPAC name of CH3-NH-C2H5 A) 1. B) Methyl ethyl amine. C) N-Ethyl methanamine. D) Ethyl methyl amine. E) N-Methyl ethanamine. Show Answer Correct Answer: E) N-Methyl ethanamine. 46. What is the effect of branching on the boiling point of amines? A) No effect on boiling point. B) Decreases boiling point. C) Increases boiling point. D) Increases volatility. Show Answer Correct Answer: B) Decreases boiling point. 47. Triethylamine is used in the synthesis of rubber vulcanization enhancers, medicines, dyes, tannins, drugs against weeds and insects. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 48. What is the role of the nitrogen atom in amines? A) It acts as a proton acceptor. B) It has no role in basicity. C) It forms covalent bonds only. D) It acts as a proton donor. Show Answer Correct Answer: A) It acts as a proton acceptor. 49. Hexadiamine and hexanedioic acid are the monomers for A) Terylene. B) Nylon 6. C) Kevlar. D) Nylon 6, 6. Show Answer Correct Answer: D) Nylon 6, 6. 50. Reduction of nitro compounds is suitable for preparing aromatic amines. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 51. Amines are highly soluble in A) Strong bases. B) Weak bases. C) Dilute acids. D) Polar solvents. Show Answer Correct Answer: C) Dilute acids. 52. Name the product for the following reaction:CH$_{3}$CH$_{2}$CH$_{2}$CONH$_{2 }$+ Br$_{2 }$+ NaOH $\rightarrow$ A) CH$_{3}$CH$_{2}$CH$_{2}$CH$_{2}$NH$_{2}$. B) CH$_{3}$CH$_{2}$CH$_{2}$Br. C) CH$_{3}$CH$_{2}$CH$_{2}$NH$_{2}$. D) CH$_{3}$CH$_{2}$CH$_{2}$COOH. Show Answer Correct Answer: C) CH$_{3}$CH$_{2}$CH$_{2}$NH$_{2}$. 53. What is used ito make reagents for acceleration of vulcanization processes A) Diethylamine. B) Aniline. C) Triethylamine. D) Methylamine. Show Answer Correct Answer: A) Diethylamine. 54. 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. 55. What type of amines does the Reductive Amination reaction prepare? A) Only 1$^\circ$ amines. B) Only 2$^\circ$ amines. C) 1$^\circ$, 2$^\circ$, and 3$^\circ$ amines. D) Only 3$^\circ$ amines. Show Answer Correct Answer: C) 1$^\circ$, 2$^\circ$, and 3$^\circ$ amines. 56. Which reaction is more suitable to prepare primary aromatic amines? A) Reduction of nitriles. B) Reduction of amides. C) Reduction of nitro compounds. D) None of the above. Show Answer Correct Answer: C) Reduction of nitro compounds. 57. Identify the product obtained by reaction of Ethanenitrile with Na(Hg)/Ethanol. A) Ethanamine. B) Ethanamide. C) Methanamide. D) Propanamine. Show Answer Correct Answer: A) Ethanamine. 58. What molecule are all amines based off of? A) NH$_{3}$. B) NO$_{3}$. C) CO$_{2}$. D) H$_{2}$O. Show Answer Correct Answer: A) NH$_{3}$. 59. The fishy odour of 1-propanamine is lost when HCI acid is added because A) Neutralisation occur to form salt. B) 1-chloropropane which is insoluble in water is formed. C) 1-propanamine reacts with HCI to form diazonium ion. D) 1-propanamine reacts with HCI to form propanoyl chloride. Show Answer Correct Answer: A) Neutralisation occur to form salt. 60. The yellow solid precipitate dissolves in 5% NaOH indicates the presence of ..... A) Secondary amine. B) Tertiary amine. C) Quaternary amine. D) Primary amine. Show Answer Correct Answer: D) Primary amine. ← 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 5Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 6Class 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