This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part Ii > Class 12 Chemistry (Part Ii) Chapter 13 Amines – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. N-Ethylethanamine and N-Methylpropanamine are: A) Position isomers. B) Chain isomers. C) Metamers. D) Functional isomers. Show Answer Correct Answer: C) Metamers. 2. The structural feature responsible for amphetamine's psychostimulant activity is: A) Phenethylamine backbone. B) Presence of hydroxyl group. C) Amide linkage. D) Tertiary nitrogen atom. Show Answer Correct Answer: A) Phenethylamine backbone. 3. In the context of electrophilic substitution in benzene, when does ortho substitution occur in the presence of a diazonium salt? A) When the para position is taken. B) When the meta position is taken. C) Always. D) Never. Show Answer Correct Answer: A) When the para position is taken. 4. What functional group is attached to an alkyl or aryl group in primary amines? A) -COOH. B) -NH2. C) -OH. D) -SH. Show Answer Correct Answer: B) -NH2. 5. Secondary amine is obtained as a major product by taking large excess of ammonia in reaction with alkyl halide.True or False A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 6. CU$_{2}$CL$_{2}$ / HCL is used in A) CARBYLAMINE. B) SANDMEYERS. C) HOFFMANN BROMAMIDE. D) GABRIEL PHTHALIMIDE. Show Answer Correct Answer: B) SANDMEYERS. 7. Conversion of Nitriles to amines is a Step up reactionTrue or False A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 8. The geometry of amines is A) Trigonal planar. B) Pyramidal. C) Tetrahedral. D) T shape. Show Answer Correct Answer: C) Tetrahedral. 9. Acylation always results in 1 less hydrogen then starting with A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 10. What is the product of the reaction between Ethanoic Acid and Lithium? A) Calcium Ethanoate and Carbon Dioxide. B) Lithium Ethanoate and Hydrogen Gas. C) Methylammonium Ethanoate. D) Sodium Ethanoate and Water. Show Answer Correct Answer: B) Lithium Ethanoate and Hydrogen Gas. 11. A reaction in which a primary amine is formed from primary amide is called A) NITRATION. B) Hoffmann bromamide reaction. C) CARBYLAMINE. D) AZO DYE TEST. Show Answer Correct Answer: B) Hoffmann bromamide reaction. 12. In the strongly acidic medium, aniline forms ..... which is meta directing. That is why besides the ortho and para derivatives, significant amount of meta derivativeis also formed. A) Acetanilide. B) Diazonium ion. C) Benzyl cation. D) Anilinium ion. Show Answer Correct Answer: D) Anilinium ion. 13. Which of the following amines is most basic? A) Piperidine. B) Aniline. C) Pyrrole. D) Acetonitrile. Show Answer Correct Answer: A) Piperidine. 14. Basic rxn's always start with oxygen attacking carbonyl A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 15. Oxidation product of aniline in presence of Na$_{2}$Cr$_{2}$O$_{7}$/H$_{2}$SO$_{4}$ A) Schiff base. B) Benzoqinone. C) Phenol. D) Benzoic acid. Show Answer Correct Answer: B) Benzoqinone. 16. Pyr reduces hydrogen A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 17. Which of the following reactions can be used to prepare a primary amine from a halogenoalkane? A) Reduction with LiAlH4. B) Reduction with H2 and Ni catalyst. C) Reaction with ammonia. D) Reaction with an amine. E) None of the above. Show Answer Correct Answer: C) Reaction with ammonia. 18. Select the strongest base A) N, N-diethylaniline. B) Aniline. C) Piperidine. D) N-ethylaniline. Show Answer Correct Answer: C) Piperidine. 19. Why are primary aliphatic amines stronger bases than ammonia? A) They have more alkyl groups. B) They have more lone pairs of electrons. C) They have a higher concentration of hydroxide ions. D) They have a lower concentration of hydroxide ions. Show Answer Correct Answer: A) They have more alkyl groups. 20. Estimated pK$_{a }$of amine A) 25-29. B) 4-7. C) 10-12. D) 35-38. Show Answer Correct Answer: D) 35-38. 21. Which of the following is a correct example of a tertiary amine? A) N, N-dimethylpropanamine. B) N-methylethanamine. C) N-ethylmethanamine. D) 2-butanamine. Show Answer Correct Answer: A) N, N-dimethylpropanamine. 22. Estimated pK$_{a }$of pyridine A) 10-12. B) 5-6. C) 40-42. D) 35-38. Show Answer Correct Answer: B) 5-6. 23. Benzenediazoniumchloride react with phenol to form A) P-chlorophenol. B) Chlorobenzene. C) DDT. D) P-hydroxyazobenzene. Show Answer Correct Answer: D) P-hydroxyazobenzene. 24. Which of the following factors does not significantly affect the basicity of aliphatic amines? A) Hyperconjugation. B) Resonance. C) Solvation. D) Inductive effect. Show Answer Correct Answer: A) Hyperconjugation. 25. During continuous monitoring experiments, samples are taken at regular intervals for what purpose? A) To determine the density. B) To measure the boiling point. C) To calculate the melting point. D) To titrate. Show Answer Correct Answer: D) To titrate. 26. A reaction in which an amine is converted to an alkene is called? A) Hofmann Elimination. B) Imine reduction. C) Wittig reaction. D) Diazotization. Show Answer Correct Answer: A) Hofmann Elimination. 27. Excess bromoethane is reacted with a limiting amount of ethanolic ammonia. What will the product of this reaction be? A) Triethylamine. B) A mixture. C) Ethaylamine. D) Diethylamine. Show Answer Correct Answer: B) A mixture. 28. What is the effect of electron-withdrawing groups on the basicity of amines? A) No effect. B) Increase basicity. C) Decrease basicity. D) Make them neutral. Show Answer Correct Answer: C) Decrease basicity. 29. Which amine below is an primary aromatic amine? A) 3-methylbenzamine. B) N-methyl-2-phenylethanamine. C) N-ethylbenzamine. D) None of the above. Show Answer Correct Answer: A) 3-methylbenzamine. 30. Which of the following statement is INCORRECT about Sandmeyer reaction and Gattermann reactions A) Both are used for preparation of haloarenes from Benzenediazonium chloride. B) CuX/HX reagents used in Sandmeyer reaction. C) HX in presence of Cu powder is used n Gattermann reaction. D) Gattermann reaction gives better yield than Sandmeyer reaction. Show Answer Correct Answer: D) Gattermann reaction gives better yield than Sandmeyer reaction. 31. $\frac{NH3}{pTSA}$ A) Imine. B) Iminium ion. C) All the above. D) None of the above. Show Answer Correct Answer: A) Imine. 32. Aniline and N methylaniline can be distinguish by A) Hinsberg reagent. B) Azo dye test. C) Nitrous acid. D) Carbylamine test. Show Answer Correct Answer: D) Carbylamine test. 33. What is the purpose of diazotization according to the text? A) To generate useful synthetic intermediates. B) To create stable compounds for long-term use. C) To create a poor leaving group in chemical reactions. D) To produce compounds that are difficult to decompose. Show Answer Correct Answer: A) To generate useful synthetic intermediates. 34. Structure A release gas nitrogen after react with nitrous acid. Predict structure A. A) 1-butanamine. B) Aniline. C) N-methylaniline. D) N-methyl-2-propanamine. Show Answer Correct Answer: A) 1-butanamine. 35. Carbylamine test is positive for: A) Primary amines only. B) Secondary amines only. C) Both primary and secondary amines. D) Aromatic amines only. Show Answer Correct Answer: A) Primary amines only. 36. What type of graph is typically produced from continuous monitoring experiments? A) Mass-volume graph. B) Pressure-volume graph. C) Temperature-time graph. D) Concentration-time graph. Show Answer Correct Answer: D) Concentration-time graph. 37. The following statements are true about amines EXCEPT A) Only primary and secondary amines can form hydrogen bonding with water molecules. B) Amino compound can be prepared by reduction of nitrile compounds. C) The boiling point of tertiary amine is the lowest because it cannot form hydrogen bonding between molecules. D) Amino compound undergoes nucleophilic substitution with haloalkanes. Show Answer Correct Answer: A) Only primary and secondary amines can form hydrogen bonding with water molecules. 38. C$_{3}$H$_{8}$N cannot represent A) Primary amine. B) Secondary amine. C) Quaternary ammonium salt. D) Tertiary amine. Show Answer Correct Answer: C) Quaternary ammonium salt. 39. The correct IUPAC name for CH2==CHCH2NH3 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. 40. An amine is defined by ..... A) A carbon-nitrogen bond. B) A carbon-oxygen bond. C) All the above. D) None of the above. Show Answer Correct Answer: A) A carbon-nitrogen bond. 41. From ..... are obtained, anesthesin and novocaine A) Diethylamine. B) Triethylamine. C) Urotropin. D) Methylamines. Show Answer Correct Answer: D) Methylamines. 42. Bromoethane is reacted with excess ethanolic ammonia. What will the product of this reaction be? A) Diethylamine. B) Ethylamine. C) Triethylamine. D) A mixture. Show Answer Correct Answer: B) Ethylamine. 43. Which of the following amines do you expect to have the highest boiling point? A) Diethyl amine. B) Triethyl amine. C) Dimethyl amine. D) Methyl amine. Show Answer Correct Answer: B) Triethyl amine. 44. What is the product when an ester is reduced with LiAlH4? A) Ketone. B) Carboxylic acid. C) Amine. D) Alcohol. Show Answer Correct Answer: D) Alcohol. 45. PKb value of aniline is quite high. It is because A) Phenyl group has +R effect. B) It is a better donor of lone pair of electrons on nitrogen. C) The lp on nitrogen is in conjugation with the benzene ring. D) Phenyl group has +I effect. Show Answer Correct Answer: C) The lp on nitrogen is in conjugation with the benzene ring. 46. Libermann Nitroso test gives yellow oil to A) Primary aliphatic amine. B) Secondary amine. C) Tertiary amine. D) Primary amine. Show Answer Correct Answer: B) Secondary amine. 47. N-phenylethanamide, C$_{6}$H$_{5}$NHCOCH$_{3}$ can be produced by reacting A) CH$_{3}$Br with C$_{6}$H$_{5}$CONH$_{2}$. B) C$_{6}$H$_{5}$CONH$_{2}$ with C$_{6}$H$_{5}$NH$_{2}$. C) CH$_{3}$COOH with C$_{6}$H$_{5}$COCH$_{3}$. D) CH$_{3}$COCI with C$_{6}$H$_{5}$NH$_{2}$. Show Answer Correct Answer: D) CH$_{3}$COCI with C$_{6}$H$_{5}$NH$_{2}$. 48. Alkylation results in what type of amine A) Primary. B) Tertiary. C) Secondary. D) None of the above. Show Answer Correct Answer: A) Primary. 49. What is the product when ethanedioic acid is oxidized with warm acidified KMnO4? A) Methane. B) Ethanol. C) Methanol. D) Carbon dioxide. Show Answer Correct Answer: D) Carbon dioxide. 50. What is the result of electrophoresis on amino acids at varying pH? A) Formation of alcohols. B) Formation of esters. C) Formation of amides. D) Separation based on charge. Show Answer Correct Answer: D) Separation based on charge. 51. Preparation of diazonium salt from primary aromatic amine is known as A) Coupling reaction. B) Sandmayer reaction. C) Diazotization. D) Oxidation. Show Answer Correct Answer: C) Diazotization. 52. The correct IUPAC name for CH2=CHCH2 NHCH3 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. 53. Benzylamine is ..... basic than amine A) More. B) Less. C) Equal. D) None of the above. Show Answer Correct Answer: A) More. 54. Which reagent is used to oxidize primary alcohols to carboxylic acids? A) H2SO4. B) NaBH4. C) KMnO4. D) LiAlH4. Show Answer Correct Answer: C) KMnO4. 55. Amongst the given set of reactants, the most appropriate for preparing 2$^\circ$ amine is ..... A) 1$^\circ$ R-Br (2 mol) + potassium phthalimide followed by H3O+/heat. B) 2$^\circ$ R-Br + NaCN followed by H2/Pt. C) 1$^\circ$ R-NH2 + RCHO followed by H2/Pt. D) 2$^\circ$ R-Br + NH3. Show Answer Correct Answer: C) 1$^\circ$ R-NH2 + RCHO followed by H2/Pt. 56. Arrange the organic compounds in order of increasing base strength A) NH$_{3}$, CH$_{3}$NH$_{2}$, C$_{6}$H$_{5}$NH$_{2}$. B) C$_{6}$H$_{5}$NH$_{2}$ C) CH$_{3}$NH$_{3}$ D) None of the above. Show Answer Correct Answer: B) C$_{6}$H$_{5}$NH$_{2}$ 57. Treatment of ethyl iodide with large excess of ammonia will yield A) Ethylamine. B) Triethyl amine. C) Tetraethyl ammonium iodide. D) Diethyl amine. Show Answer Correct Answer: A) Ethylamine. 58. Which of the following is true about amides? A) They are strong bases. B) They are strong acids. C) They are highly reactive. D) They are neutral. Show Answer Correct Answer: D) They are neutral. 59. What is the product of the reduction of nitroalkanes? A) Alkyl halides. B) Ketones. C) Aldehydes. D) Amines. Show Answer Correct Answer: D) Amines. 60. Name the compound pictured A) 2, 3-dimethylamine. B) 2, 3, -butanenitrile. C) 2, 3-dimethylbutanamide. D) 2, 3, -dimethylbutanamine. Show Answer Correct Answer: C) 2, 3-dimethylbutanamide. ← PreviousNext →Related QuizzesScience QuizzesClass 12 QuizzesClass 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 1Class 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 10 Haloalkanes And Haloarenes Quiz 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books