This quiz works best with JavaScript enabled. Home > Class 12 > Class 12 Chemistry (Part Ii) Chapter 13 Amines – Quiz 8 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 8 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. 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. 3. Which of the following is a characteristic property of amines? A) Acidic nature. B) Basic nature. C) Neutral nature. D) Oxidizing nature. Show Answer Correct Answer: B) Basic nature. 4. Which method produces primary amines as a major product? A) Reduction of amides. B) Ammonolysis. C) Reduction of nitriles. D) Hofmann bromamide degradation. Show Answer Correct Answer: B) Ammonolysis. 5. 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. 6. 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. 7. What is the IUPAC naming system for amines? A) Replace-e in the alkane name with-amine. B) Replace-e in the alkane name with-ene. C) Add-amine as a prefix to the alkane name. D) Use the same name as the alkane with no changes. Show Answer Correct Answer: A) Replace-e in the alkane name with-amine. 8. 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. 9. Positive carbyl amine test is shown by- A) N, N-dimethylaniline. B) Triethylamine. C) N-methylamine. D) P-methylbenzylamine. Show Answer Correct Answer: D) P-methylbenzylamine. 10. What distinguishes a tertiary amine in its IUPAC name? A) The presence of three (N-) in the name. B) The absence of (N-) in the name. C) The presence of two (N-) in the name. D) The use of the prefix "tri-" in the name. Show Answer Correct Answer: C) The presence of two (N-) in the name. 11. What is the characteristic odor of amines? A) Floral-like odors. B) Sweet-like odors. C) Fish-like odors. D) No odor. Show Answer Correct Answer: C) Fish-like odors. 12. $P_2O_5$ $C\equiv N$ A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 13. What is the overall order of base strength for amines? A) Aromatic amines < tertiary amines < secondary amines < primary amines < ammonia. B) Ammonia < primary amines < secondary amines < tertiary amines < aromatic amines. C) Secondary amines < tertiary amines < primary amines < ammonia < aromatic amines. D) Aromatic amines < ammonia < primary amines < tertiary amines < secondary amines. Show Answer Correct Answer: D) Aromatic amines < ammonia < primary amines < tertiary amines < secondary amines. 14. Which amine has three alkyl groups attached to the nitrogen atom? A) Quaternary amine. B) Tertiary amine. C) Secondary amine. D) Primary amine. Show Answer Correct Answer: B) Tertiary amine. 15. During the Hofmann Elimination, what type of double bond is formed? A) More substituted double bond. B) Less substituted double bond. C) Aromatic double bond. D) No double bond is formed. Show Answer Correct Answer: B) Less substituted double bond. 16. 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. 17. Which reagent is used in the Gabriel synthesis? A) Sodium hydroxide. B) Potassium bromide. C) Phthalimide. D) Ammonium chloride. Show Answer Correct Answer: C) Phthalimide. 18. Amines can be prepared from the following reactions except ..... A) Reduction of nitriles. B) Reduction of amides. C) Reduction of nitro compounds. D) Reduction of carboxylic acids. Show Answer Correct Answer: D) Reduction of carboxylic acids. 19. Amongst the following, the strongest base in aqueous medium is ..... A) CH3NH2. B) NCCH2NH2. C) (CH3)2NH. D) C6H5NHCH3. Show Answer Correct Answer: C) (CH3)2NH. 20. Which amine is formed from the reduction of benzamide? A) Aniline. B) Benzylamine. C) Tertiary amine. D) Ethylamine. Show Answer Correct Answer: A) Aniline. 21. What happens when Carboxylic Acids are dissolved in water? A) They remain neutral. B) They form a basic solution. C) They donate a proton. D) They accept a proton. Show Answer Correct Answer: C) They donate a proton. 22. Arrange the following compound according to decreasing order of boiling point?I:PropanolII:PropanamineIII:Propanoic acidIV:Propanal A) II>III> I>IV. B) IV>II> I>III. C) III>I> IV>II. D) III>I> II>IV. Show Answer Correct Answer: D) III>I> II>IV. 23. R-CN + Na+ C2H5-OH gives A) Aldehyde. B) Carboxylic acid. C) Ester. D) Amine. E) 4. Show Answer Correct Answer: D) Amine. 24. The breaking of the C-X bond by ammonia molecule is known as A) Halogenation. B) Ammonolysis. C) Reduction. D) Ammonification. Show Answer Correct Answer: B) Ammonolysis. 25. 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. ← PreviousNext →Related 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 7Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 9Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 10Class 12 Chemistry (Part Ii) Chapter 13 Amines Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books