This quiz works best with JavaScript enabled. Home > Cbse > Class 12 > Science > Chemistry Part Ii > Class 12 Chemistry (Part Ii) Chapter 13 Amines – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Amine can undergo a substitution reaction with alkyl halide using it's lone pair to form covalent bonding with ..... atom in alkyl halide A) Positive partial hydrogen. B) Negative partial hydrogen. C) Negative partial carbon. D) Positive partial carbon. Show Answer Correct Answer: D) Positive partial carbon. 2. In Hinsberg reaction, after the reaction with benzene sulphonyl chloride, tertiary amine will remain ..... in base solution, & then ..... in acid solution. A) Insoluble, no change. B) Insoluble, Soluble. C) Soluble, no change. D) Soluble, insoluble. Show Answer Correct Answer: B) Insoluble, Soluble. 3. Which of the following is not a product of the Gabriel Synthesis? A) 1$^\circ$ amines. B) 2$^\circ$ amines. C) 3$^\circ$ amines. D) Both 2$^\circ$ and 3$^\circ$ amines. Show Answer Correct Answer: D) Both 2$^\circ$ and 3$^\circ$ amines. 4. The correct order of increasing pK$_{b }$in aqueous medium forNH$_{3}$ (I), CH$_{3}$CH$_{2}$NH$_{2}$ (II), (CH$_{3}$CH$_{2}$)$_{2}$NH (III) & (CH$_{3}$CH$_{2}$)$_{3}$N (IV) is- A) II < I < IV < III. B) III < IV< II < I. C) I < II < IV < III. D) II < I < III < IV. Show Answer Correct Answer: B) III < IV< II < I. 5. What is the IUPAC name for amines? A) Hydrocarbons. B) Alkanamines. C) Alkylamines. D) Aryl amines. Show Answer Correct Answer: B) Alkanamines. 6. Which of the following can be prepared by Gabriel phthalimide synthesis A) Primary aromatic amines. B) Primary aliphatic amines. C) Secondary amines. D) Tertiary amines. Show Answer Correct Answer: B) Primary aliphatic amines. 7. What is the correct IUPAC name for a primary amine with a three-carbon chain? A) 2-propanamine. B) 1-methylethanamine. C) 1-propanamine. D) N-methylmethanamine. Show Answer Correct Answer: C) 1-propanamine. 8. $\frac{R'OH}{pTSA}$ A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 9. What is the IUPAC name for the compound CH3CH2NHCH3? A) Methanamine. B) Propanamine. C) Butanamine. D) Ethanamine. Show Answer Correct Answer: B) Propanamine. 10. What is the nature of the N=N bond in azo compounds? A) Weakly electrophilic. B) Strongly nucleophilic. C) Not present in azo compounds. D) Strongly electrophilic. Show Answer Correct Answer: A) Weakly electrophilic. 11. What is formed when amines react with acids? A) Alcohols. B) Ammonium salts. C) Carboxylic acids. D) Esters. Show Answer Correct Answer: B) Ammonium salts. 12. Best method for preparing primary amines from alkyl halides withoutchanging the number of carbon atoms in the chain is A) I) Hoffmann Bromamide reaction. B) (ii) Gabriel phthalimide synthesis. C) (iii) Sandmeyer reaction. D) (iv) Reaction with NH3. Show Answer Correct Answer: B) (ii) Gabriel phthalimide synthesis. 13. Which of the following is a 3 tertiary amine? A) 1-Methylcyclohexylamine. B) N-Methylaniline. C) Tert-butylamine. D) Triethyl amine. Show Answer Correct Answer: D) Triethyl amine. 14. What is the Hoffman elimination reaction in the context of amines? A) Conversion of amines to esters by treatment with a nucleophile. B) Conversion of amines to alkenes by treatment with a strong base. C) Conversion of amines to alcohols by treatment with a strong acid. D) Conversion of amines to ketones by treatment with a reducing agent. Show Answer Correct Answer: B) Conversion of amines to alkenes by treatment with a strong base. 15. Lower aliphatic amines are soluble in water because A) Of resonance. B) They can formmultiple bonds with water molecules. C) They are reactive. D) They can formhydrogen bonds with water molecules. Show Answer Correct Answer: D) They can formhydrogen bonds with water molecules. 16. Which compound is formed by the reaction of an aldehyde or ketone with sodium cyanoborohydride in Reductive Amination? A) Imine. B) Amide. C) Amine. D) Ester. Show Answer Correct Answer: A) Imine. 17. R-CONH2 + LiAlH4+H3O+ gives A) R-CHO. B) R-CH2-NH2. C) R-NH2. D) 2. E) R-OH. Show Answer Correct Answer: B) R-CH2-NH2. 18. Azidation and Cyonation is for A) Ketones. B) Aldehydes. C) Alkyl Halides. D) None of the above. Show Answer Correct Answer: C) Alkyl Halides. 19. Why do primary aromatic amines not form basic solutions? A) They have a lower concentration of hydroxide ions. B) The lone pair of electrons on the nitrogen is not readily available. C) The lone pair of electrons on the nitrogen delocalizes with the ring of electrons in the benzene ring. D) They have a higher concentration of hydroxide ions. Show Answer Correct Answer: C) The lone pair of electrons on the nitrogen delocalizes with the ring of electrons in the benzene ring. 20. Which reaction does not occur with aniline due to salt formation? A) Electrophilic substitution. B) Alkylation. C) Friedel-Crafts reaction. D) Nitration. Show Answer Correct Answer: C) Friedel-Crafts reaction. 21. What reagents are used in azidation A) $\frac{R'NH_2}{NaBH_4}$. B) $\frac{NaN_3}{LAH}$. C) $\frac{KCN}{LAH}$. D) $\frac{NH_3}{LAH}$. Show Answer Correct Answer: B) $\frac{NaN_3}{LAH}$. 22. How many R-groups are attached to the nitrogen atom in a secondary amine? A) One. B) Two. C) Four. D) Three. Show Answer Correct Answer: B) Two. 23. What is the reagent for nitrous acid A) NaNO$_{2}$, HCl. B) HNO$_{3}$. C) NH$_{3}$. D) HNO$_{2}$. Show Answer Correct Answer: A) NaNO$_{2}$, HCl. 24. Which of the following compounds is a secondary amine? A) Benzylamine. B) Ethylamine. C) Aniline. D) Dimethylamine. Show Answer Correct Answer: D) Dimethylamine. 25. CH$_{3}$CH$_{2}$NHCH$_{3 }$is a ..... amine A) Primary. B) Secondary. C) Tertiary. D) None of the above. Show Answer Correct Answer: B) Secondary. 26. Which of the following is NOT a step in conducting a clock reaction? A) Collecting time for the change to occur. B) Changing the concentration of one reactant. C) Measuring the temperature change. D) Observing a clear color change. Show Answer Correct Answer: C) Measuring the temperature change. 27. In a clock reaction, what is collected to determine the reaction order? A) Volume of gas produced. B) Time for color change. C) Pressure change. D) Temperature change. Show Answer Correct Answer: B) Time for color change. 28. Which of the following compound will not undergo azo coupling reactionwith benzene diazonium chloride A) (iv) Nitrobenzene. B) (ii) Phenol. C) (iii) Anisole. D) (i) Aniline. Show Answer Correct Answer: A) (iv) Nitrobenzene. 29. An amide is defined by ..... A) A carbon bound to both an oxygen and a nitrogen. B) A carbon bound to oxygen. C) All the above. D) None of the above. Show Answer Correct Answer: A) A carbon bound to both an oxygen and a nitrogen. 30. What is the product of the reaction between halogenoalkanes and ammonia in a one-step reaction? A) Secondary amines. B) Quaternary ammonium salts. C) Tertiary amines. D) Primary amines. Show Answer Correct Answer: D) Primary amines. 31. Reduction of p-nitrotoluene with Sn and HCl gives A) P-methylaniline. B) N-Methylaniline. C) Toluene. D) M-methylaniline. Show Answer Correct Answer: A) P-methylaniline. 32. Acetic anhydride react with aniline to give A) N-methylaniline. B) P-aminoacetophenone. C) Acetanilide. D) M-aminoacetophenone. Show Answer Correct Answer: C) Acetanilide. 33. Which amine is formed from the reduction of benzamide in presence of Br$_{2 }$and KOH A) Ethylamine. B) Aniline. C) Benzylamine. D) Tertiary amine. Show Answer Correct Answer: B) Aniline. 34. Which of the following is a secondary amine? A) CH3OH. B) (CH3)2NH. C) CH3NHCH3. D) NH3. E) CH3NH2. Show Answer Correct Answer: B) (CH3)2NH. 35. What is the outcome when an amine reacts with [H+], NaBH3CN? A) It forms a secondary amine. B) It forms a tertiary amine. C) It forms a primary amine. D) It forms a quaternary ammonium salt. Show Answer Correct Answer: C) It forms a primary amine. 36. What type of bonds do amines have to hydrogen or carbon atoms? A) Triple. B) Single. C) James Bonds. D) Double. Show Answer Correct Answer: B) Single. 37. Which of the following reactions produces secondary amines from a halogenoalkane? A) Reaction of halogenoalkanes with ammonia. B) Reduction of amides. C) Nucleophilic substitution of halogenoalkanes with secondary amine. D) Reduction of nitriles. Show Answer Correct Answer: C) Nucleophilic substitution of halogenoalkanes with secondary amine. 38. Which of the following is a correct representation of a primary amine? A) A molecule with three hydrogen atoms attached to a nitrogen atom. B) A molecule with two hydrogen atoms and one alkyl group attached to a nitrogen atom. C) A molecule with two alkyl groups attached to a nitrogen atom. D) A molecule with three alkyl groups attached to a nitrogen atom. Show Answer Correct Answer: B) A molecule with two hydrogen atoms and one alkyl group attached to a nitrogen atom. 39. CH$_{3}$CH$_{2}$CH$_{2}$NH$_{2}$, CH$_{3}$CH$_{2}$NHCH$_{3}$ and (CH$_{3}$)$_{3}$N is isomeric amines. Which one has lowest boiling point? A) CH$_{3}$CH$_{2}$CH$_{2}$NH$_{2}$. B) CH$_{3}$CH$_{2}$NHCH$_{3}$. C) (CH$_{3}$)$_{3}$N. D) None of the above. Show Answer Correct Answer: C) (CH$_{3}$)$_{3}$N. 40. What type of bond is formed when a nitrogen atom donates its lone pair to an H+ ion? A) Co-ordinate (dative) bond. B) Covalent bond. C) Ionic bond. D) Hydrogen bond. Show Answer Correct Answer: A) Co-ordinate (dative) bond. 41. Which method is used to observe color change during continuous monitoring experiments? A) Chromatography. B) Colorimetry. C) Titration. D) Spectroscopy. Show Answer Correct Answer: B) Colorimetry. 42. Explain the difference between primary, secondary, and tertiary amines. A) Primary amines have one alkyl or aryl group, secondary amines have two, and tertiary amines have three. B) Tertiary amines have two aryl groups. C) Primary amines have three alkyl groups. D) Secondary amines have one alkyl group. Show Answer Correct Answer: A) Primary amines have one alkyl or aryl group, secondary amines have two, and tertiary amines have three. 43. Pick the FALSE statement about amines A) A. Amines can undergo alkylation with haloalkanes. B) B. Aliphatic amines are stronger bases than ammonia. C) C. Aliphatic amines are weaker bases than aromatic amine. D) None of the above. Show Answer Correct Answer: C) C. Aliphatic amines are weaker bases than aromatic amine. 44. Which of the following is a characteristic property of amines? A) Neutral nature. B) Basic nature. C) Acidic nature. D) Oxidizing nature. Show Answer Correct Answer: B) Basic nature. 45. Which method produces primary amines as a major product? A) Ammonolysis. B) Reduction of amides. C) Hofmann bromamide degradation. D) Reduction of nitriles. Show Answer Correct Answer: A) Ammonolysis. 46. Explain why phenyl amine is more soluble in HCl(aq) than in water or NaOH(aq) A) Phenyl amine reacts with the HCl to form a chloro amine which is more soluble. B) The large hydrophobic benzene ring is more soluble in ionic solutions than in pure water. C) Phenyl amine is protonated by the HCl, forming an ionic salt. D) Phenyl amine reacts with HCl to form NH$_{4}$$^{+ }$and C$_{6}$H$_{5}$$^{+}$Cl$^{-}$. These are both ionic so dissolve readily. Show Answer Correct Answer: C) Phenyl amine is protonated by the HCl, forming an ionic salt. 47. PTSA is used in reductive amination of ketones, and aldehydes, and imine formation A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 48. What is the IUPAC naming system for amines? A) Use the same name as the alkane with no changes. B) Replace-e in the alkane name with-amine. C) Replace-e in the alkane name with-ene. D) Add-amine as a prefix to the alkane name. Show Answer Correct Answer: B) Replace-e in the alkane name with-amine. 49. Which of the following is an example of a naturally occurring amine? A) Aniline. B) Ethylamine. C) Methylamine. D) Histamine. E) None of the above. Show Answer Correct Answer: D) Histamine. 50. Positive carbyl amine test is shown by- A) P-methylbenzylamine. B) N-methylamine. C) N, N-dimethylaniline. D) Triethylamine. Show Answer Correct Answer: A) P-methylbenzylamine. 51. What distinguishes a tertiary amine in its IUPAC name? A) The absence of (N-) in the name. B) The presence of two (N-) in the name. C) The presence of three (N-) in the name. D) The use of the prefix "tri-" in the name. Show Answer Correct Answer: B) The presence of two (N-) in the name. 52. What is the characteristic odor of amines? A) Sweet-like odors. B) No odor. C) Fish-like odors. D) Floral-like odors. Show Answer Correct Answer: C) Fish-like odors. 53. $P_2O_5$ $C\equiv N$ A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 54. What is the overall order of base strength for amines? A) Secondary amines < tertiary amines < primary amines < ammonia < aromatic amines. B) Ammonia < primary amines < secondary amines < tertiary amines < aromatic amines. C) Aromatic amines < tertiary amines < secondary amines < primary amines < ammonia. D) Aromatic amines < ammonia < primary amines < tertiary amines < secondary amines. Show Answer Correct Answer: D) Aromatic amines < ammonia < primary amines < tertiary amines < secondary amines. 55. Which amine has three alkyl groups attached to the nitrogen atom? A) Quaternary amine. B) Secondary amine. C) Tertiary amine. D) Primary amine. Show Answer Correct Answer: C) Tertiary amine. 56. During the Hofmann Elimination, what type of double bond is formed? A) More substituted double bond. B) Aromatic double bond. C) Less substituted double bond. D) No double bond is formed. Show Answer Correct Answer: C) Less substituted double bond. 57. Esters, and Amides use $\frac{H_2O}{NaOH}$ $\frac{H_2O}{HCL}$ A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 58. Which reagent is used in the Gabriel synthesis? A) Phthalimide. B) Ammonium chloride. C) Sodium hydroxide. D) Potassium bromide. Show Answer Correct Answer: A) Phthalimide. 59. Amines can be prepared from the following reactions except ..... A) Reduction of nitriles. B) Reduction of carboxylic acids. C) Reduction of amides. D) Reduction of nitro compounds. Show Answer Correct Answer: B) Reduction of carboxylic acids. 60. Amongst the following, the strongest base in aqueous medium is ..... A) CH3NH2. B) (CH3)2NH. C) C6H5NHCH3. D) NCCH2NH2. Show Answer Correct Answer: B) (CH3)2NH. ← 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 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