This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part Ii > Class 12 Chemistry (Part Ii) Chapter 13 Amines – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which amine is formed from the reduction of benzamide? A) Benzylamine. B) Aniline. C) Tertiary amine. D) Ethylamine. Show Answer Correct Answer: B) Aniline. 2. What happens when Carboxylic Acids are dissolved in water? A) They donate a proton. B) They remain neutral. C) They accept a proton. D) They form a basic solution. Show Answer Correct Answer: A) They donate a proton. 3. R-CN + Na+ C2H5-OH gives A) 4. B) Carboxylic acid. C) Aldehyde. D) Amine. E) Ester. Show Answer Correct Answer: D) Amine. 4. The breaking of the C-X bond by ammonia molecule is known as A) Ammonification. B) Halogenation. C) Ammonolysis. D) Reduction. Show Answer Correct Answer: C) Ammonolysis. 5. Cyonation is what type of reduction? A) Alkylation. B) Acylation. C) All the above. D) None of the above. Show Answer Correct Answer: B) Acylation. 6. In which of the following reactions, the product formed contains one carbon lessthan that present in the reactant? A) Reduction of amide into amine. B) Carbylamine reaction. C) Sandmeyers Reaction. D) Hoffmann bromamide degradation reaction. Show Answer Correct Answer: D) Hoffmann bromamide degradation reaction. 7. What is the amino group's structure? A) -PO$_{4}$. B) -NH$_{2}$. C) -OH. D) -COOH. Show Answer Correct Answer: B) -NH$_{2}$. 8. Why is the loss of N2 considered advantageous in diazotization reactions? A) Because N2 is a very good leaving group. B) Because N2 reacts with other compounds easily. C) Because N2 is a stable compound. D) Because N2 is a poor leaving group. Show Answer Correct Answer: A) Because N2 is a very good leaving group. 9. Amides have a Carbonyl group A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. The correct increasing order of basic strength for the following compounds is ..... A) II < I < III. B) III < I < II. C) II < III < I. D) III < II < I. Show Answer Correct Answer: C) II < III < I. 11. Methanamine is stronger base than ethanamine A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 12. The gas evolved when methylamine reacts with nitrous acid is ..... A) C2H6. B) N2. C) H2. D) NH3. Show Answer Correct Answer: B) N2. 13. Reduction of nitrile compounds is suitable for preparing primary amines. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 14. Tretbutylamine, a compound in which a tert-butyl organic group is bound to nitrogen. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 15. What is the product of the reaction between a primary amine and hydrochloric acid? A) Trimethylammonium chloride. B) Methylammonium chloride. C) Dimethylammonium chloride. D) Ammonium chloride. Show Answer Correct Answer: B) Methylammonium chloride. 16. What is the base strength of primary aliphatic amines compared to ammonia? A) Cannot be determined. B) Weaker. C) Equal. D) Stronger. Show Answer Correct Answer: D) Stronger. 17. Which of the following is an example of a secondary amine? A) Ethylamine. B) Dimethylamine. C) Propylamine. D) Methylamine. Show Answer Correct Answer: B) Dimethylamine. 18. What is the common method for separating a mixture of amines? A) Fractional distillation. B) Crystallization. C) Hofmann's method. D) Simple distillation. Show Answer Correct Answer: A) Fractional distillation. 19. A suitable reagent Z for the reaction:butanoyl chloride + Z $\rightarrow$ butanamide is A) KCN. B) HNO$_{3}$. C) NH$_{3}$. D) NH$_{2}$OH. Show Answer Correct Answer: C) NH$_{3}$. 20. Hoffmann Bromamide Degradation reaction is shown by ..... A) ArNH2. B) ArCH2NH2. C) ArNO2. D) ArCONH2. Show Answer Correct Answer: D) ArCONH2. 21. What is observed in a clock reaction when a certain amount of product has been made? A) A clear color change. B) A decrease in pressure. C) A change in pH. D) A temperature increase. Show Answer Correct Answer: A) A clear color change. 22. Aniline does not undergo Friedel-Crafts reaction due to A) Salt formation with aluminium chloride. B) -NH2 group activates the benzene ring. C) Nitrogen ofaniline acquires negative charge. D) Salt formation with alkyl halide. Show Answer Correct Answer: A) Salt formation with aluminium chloride. 23. How are secondary amines typically synthesized from primary amines? A) By reduction of secondary amines with hydrogen gas. B) By hydrolysis of nitriles to form amines. C) By direct amination of alkenes with ammonia. D) By alkylation of primary amines with alkyl halides. Show Answer Correct Answer: D) By alkylation of primary amines with alkyl halides. 24. Which pairing of general formula and compound class is incorrect? A) R$_{3}$CNH$_{2}$; tertiary amine. B) RCONH$_{2}$; amide. C) CH$_{3}$NHR; secondary amine. D) RNH$_{2}$; amine. Show Answer Correct Answer: A) R$_{3}$CNH$_{2}$; tertiary amine. 25. Three major part of an amino acid are A) Carboxyl group, amino group, and side chain. B) Carbonyl group, amino group, and side chain. C) Carboxyl group, amino group and hydroxyl group. D) None of the above. Show Answer Correct Answer: A) Carboxyl group, amino group, and side chain. 26. What is the reagent required to carry out the following conversion?Methylamine $\rightarrow$ N-methylethanamide A) HNO$_{2}$. B) Ethanoyl chloride. C) NaOH. D) Methanoyl chloride. Show Answer Correct Answer: B) Ethanoyl chloride. 27. What is the purpose of using hydrazine in the Gabriel Synthesis? A) To reduce the ketone/aldehyde. B) To form an imine. C) To prepare phthalimide. D) To cleave the phthalimide and release the amine. Show Answer Correct Answer: D) To cleave the phthalimide and release the amine. 28. Select the Carboxylates in decreasing order from most electrophilic to least A) 1. Esters2. Anhydrides3. Amides4. Carboxylic Acids5. Acid Chlorides. B) 1. Acid Chlorides2. Anhydrides3. Esters4. Amides5. Carboxylic Acids. C) 1. Acid Chlorides2. Carboxylic Acids3. Esters4. Amides5. Anhydrides. D) 1. Carboxylic Acids2. Amides3. Anhydrides4. Acid Chlorides5. Esters. Show Answer Correct Answer: B) 1. Acid Chlorides2. Anhydrides3. Esters4. Amides5. Carboxylic Acids. 29. Droperidol-is a powerful sleeping pill. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 30. Which compound is the strongest base? A) Methylamine. B) Phenylamine. C) Ammonia. D) Ammonium chloride. Show Answer Correct Answer: A) Methylamine. 31. Ethylenediamine (en) is widely used as: A) A solvent for organic reactions. B) A bidentate ligand in coordination chemistry. C) A reducing agent. D) An oxidizing agent. Show Answer Correct Answer: B) A bidentate ligand in coordination chemistry. 32. What is varied in a clock reaction to find the order of the reaction? A) Volume of solvent. B) Concentration of one reactant. C) Temperature. D) Pressure. Show Answer Correct Answer: B) Concentration of one reactant. 33. Amides are converted to amines by A) Ammonolysis. B) Oxidation. C) Hydrolysis. D) Reduction. Show Answer Correct Answer: D) Reduction. 34. Which is a suitable amide responsible for preparation of aniline? A) Bezenamide. B) Alkyl amide. C) Pthalamide. D) None of these. Show Answer Correct Answer: A) Bezenamide. 35. 3$^{o}$ amines can not form hydrogen bond with water. Therefore they are insoluble in water. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 36. Which of the following polymers is biodegradable by acidic/alkaline hydrolysis? A) Polystyrene. B) Polyalkenes. C) Polyesters. D) Polyvinyl chloride. Show Answer Correct Answer: C) Polyesters. 37. Which of the following describes the formation of polyamides? A) Between a diol and dicarboxylic acid. B) Between a diamine and dicarboxylic acid. C) Between amino acids. D) Between a diol and diamine. Show Answer Correct Answer: B) Between a diamine and dicarboxylic acid. 38. What is the product of the reaction between ammonia and an alkyl halide? A) Primary amine. B) Secondary amine. C) Tertiary amine. D) Quaternary ammonium salt. Show Answer Correct Answer: A) Primary amine. 39. Reaction of Amines and Carboxylic acids will produce ..... A) Polyamide and H$_{2}$O. B) Polyamide and HCl. C) Polyester and H$_{2}$O. D) Polyester and HCl. Show Answer Correct Answer: A) Polyamide and H$_{2}$O. 40. What type of amine has only one hydrogen atom replaced by an carbon group? A) Tertiary. B) Secondary. C) Primary. D) None of the above. Show Answer Correct Answer: C) Primary. 41. What type of reaction do amines typically undergo with alkyl halides? A) Elimination. B) Nucleophilic substitution. C) Electrophilic addition. D) Redox reaction. Show Answer Correct Answer: B) Nucleophilic substitution. 42. Most stable carbo cation? A) Secondary. B) Primary. C) Quaternary. D) Tertiary. Show Answer Correct Answer: D) Tertiary. 43. Consider the compounds methylethylamine and trimethylamine. Which of these has the higher boiling point? A) Methylethylamine. B) Trimethylamine. C) Both have approximately the same boiling point since they contain the same number of carbon atoms. D) None of the above. Show Answer Correct Answer: A) Methylethylamine. 44. The most reactive amine towards dilute hydrochloric acid is ..... A) . B) CH3-NH2. C) . D) . Show Answer Correct Answer: B) CH3-NH2. 45. What is the result of the reaction between an amine and an acid? A) Ester formation. B) Salt formation. C) Amide formation. D) No reaction. Show Answer Correct Answer: B) Salt formation. 46. Which of the following substances can be resolved into enantiomers? A) Benzylethylmethylammonium sulfate. B) Cyclohexylmethylamine. C) Diethylmethylammonium chloride. D) N-methylpyrrolidine. Show Answer Correct Answer: A) Benzylethylmethylammonium sulfate. 47. Catalytic reduction of nitro compounds into amines is: A) Oxidation reaction. B) Reduction reaction. C) Combustion reaction. D) Elimination reaction. Show Answer Correct Answer: B) Reduction reaction. 48. The reaction of an amine with Hinsberg's reagent helps distinguish: A) Primary, secondary, and tertiary amines. B) Only primary and secondary amines. C) Only aliphatic and aromatic amines. D) Amines from amides. Show Answer Correct Answer: A) Primary, secondary, and tertiary amines. 49. Reduction with iron scrap and HCl is preferred because A) Iron scrap is cheap. B) FeCl2 formed gets hydrolysed to release hydrochloric acid. C) FeCl3 is formed during the process. D) NOne of the above. Show Answer Correct Answer: B) FeCl2 formed gets hydrolysed to release hydrochloric acid. 50. What is a common method for synthesizing primary amines? A) Dehydration of alcohols. B) Hydrolysis of esters. C) Oxidation of aldehydes. D) Reduction of nitriles or alkylation of ammonia. Show Answer Correct Answer: D) Reduction of nitriles or alkylation of ammonia. 51. What is the major product of reaction between methanamine and methylchloride? A) Dimethylethanamine. B) N-methylmethanamine. C) Methanamine. D) N, N-dimethylmethanamine. Show Answer Correct Answer: B) N-methylmethanamine. 52. Cyonation always results in 1ccarbon hologation (an extra CH2 in product) A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 53. What do the quantities in the rate equation match? A) The volume of the reactants. B) The temperature of the reaction. C) The pressure of the reaction. D) The order/indices in the rate equation. Show Answer Correct Answer: D) The order/indices in the rate equation. 54. What is the reagent required to carry out the following conversion?Hexanamide $\rightarrow$ hexanamine A) Dilute HCl. B) NaOH. C) HNO$_{2}$. D) LiAlH$_{4}$, ether. Show Answer Correct Answer: D) LiAlH$_{4}$, ether. 55. Reduction of primary amide will form ..... amine. A) Primary. B) Secondary. C) Tertiary. D) None of the above. Show Answer Correct Answer: A) Primary. 56. Alkylation yields what type of products A) Primary. B) Secondary. C) Tertiary. D) None of the above. Show Answer Correct Answer: A) Primary. 57. Estimated pK$_{a }$of aniline A) 41-44. B) 4-5. C) 35-38. D) 12-15. Show Answer Correct Answer: B) 4-5. 58. What is the final outcome of the Hofmann Elimination process? A) Formation of a secondary amine. B) Formation of a tertiary amine. C) Formation of a new double bond. D) Formation of a primary amine. Show Answer Correct Answer: C) Formation of a new double bond. 59. What is the functional group of Carboxylic Acids? A) -COOH. B) -C=O. C) -NH2. D) -OH. Show Answer Correct Answer: A) -COOH. 60. Which of the following is true about the rate determining step? A) It is the step with the highest concentration of products. B) It is the step that determines the overall reaction rate. C) It is the step with the lowest concentration of reactants. D) It is the step that occurs at the highest temperature. Show Answer Correct Answer: B) It is the step that determines the overall reaction rate. ← 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 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 10 Haloalkanes And Haloarenes Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books