This quiz works best with JavaScript enabled. Home > Class 12 > 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 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How can you prepare amines using the reduction of nitro compounds? A) By using carbon dioxide in the presence of a metal catalyst. B) By using nitrogen gas in the presence of a metal catalyst. C) By using oxygen gas in the presence of a metal catalyst. D) By using hydrogen gas in the presence of a metal catalyst like palladium or platinum. Show Answer Correct Answer: D) By using hydrogen gas in the presence of a metal catalyst like palladium or platinum. 2. What is the product when an ester is hydrolyzed under acidic conditions? A) Amine. B) Alcohol and carboxylic acid. C) Ketone. D) Aldehyde. Show Answer Correct Answer: B) Alcohol and carboxylic acid. 3. In aliphatic amines, the +I effect of alkyl groups tends to: A) Decrease electron density on nitrogen. B) Increase electron density on nitrogen. C) Delocalize lone pair on nitrogen. D) Stabilize the conjugate acid. Show Answer Correct Answer: B) Increase electron density on nitrogen. 4. (CH$_{3}$)$_{3}$N what type of amine is it? A) Primary. B) Secondary. C) Tertiary. D) None of the above. Show Answer Correct Answer: C) Tertiary. 5. Did you like my presentation? A) Yes. B) I didn't even listen. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 6. Which of the following describes the formation of polyesters? 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: A) Between a diol and dicarboxylic acid. 7. Which of the following pairs will react to form benzenadiazonium chloride under suitable conditions? A) Methylbenzene and HNO$_{3}$/HCI. B) Nitrobenzene and SN/HCI. C) Aniline and NaNO$_{2}$/HCI. D) Aniline and HNO$_{3}$/HCI. Show Answer Correct Answer: C) Aniline and NaNO$_{2}$/HCI. 8. Define the term rate determining step and describe how it relates to the rate equation. A) The rate determining step is the slowest step in a reaction mechanism. B) The rate determining step is the fastest step in a reaction mechanism. C) The rate determining step is the step with the highest energy requirement. D) The rate determining step is the step that occurs at equilibrium. Show Answer Correct Answer: A) The rate determining step is the slowest step in a reaction mechanism. 9. If the Kb value is high, it indicates A) A strong base. B) A weak base. C) Neutral compound. D) Weak acid. Show Answer Correct Answer: A) A strong base. 10. Choose the effect which does not affect the basic strength of amines in aqueous phase. A) Inductive effect. B) Steric effect. C) Resonance effect. D) Solvation effect. Show Answer Correct Answer: C) Resonance effect. 11. The following methods can be used to prepare ethanamine except for A) Ethanenitrile + LiAlH$_{4}$. B) Ethanamide + LiAlH$_{4}$. C) 1-bromoethane + NH$_{3}$. D) 1-bromoethane + KCN + LiAlH$_{4}$. Show Answer Correct Answer: D) 1-bromoethane + KCN + LiAlH$_{4}$. 12. Estimated pK$_{a }$of diethylamine is ..... A) 10-11. B) 35-38. C) 24-26. D) 42-45. Show Answer Correct Answer: A) 10-11. 13. State the reagent used to convert butanoic acid to butanamide. A) Nitric acid. B) Ammonia. C) Water. D) Nitrous acid. Show Answer Correct Answer: B) Ammonia. 14. Assertion (A):Primary aromatic amines react with nitrous acid at room temperature to form diazonium salts.Reason (R):The stability of aromatic diazonium salts is due to resonance. A) Ssh. B) Both Assertion (A) and Reason (R) are true but Reason is not the correct explanation of the Assertion. C) Assertion (A) is true, but Reason (R) is false. D) Assertion (A) is false, but Reason (R) is true. Show Answer Correct Answer: D) Assertion (A) is false, but Reason (R) is true. 15. N-Ethylethanamine and N-Methylpropanamine are: A) Chain isomers. B) Position isomers. C) Metamers. D) Functional isomers. Show Answer Correct Answer: C) Metamers. 16. The structural feature responsible for amphetamine's psychostimulant activity is: A) Phenethylamine backbone. B) Amide linkage. C) Presence of hydroxyl group. D) Tertiary nitrogen atom. Show Answer Correct Answer: A) Phenethylamine backbone. 17. In the context of electrophilic substitution in benzene, when does ortho substitution occur in the presence of a diazonium salt? A) When the meta position is taken. B) When the para position is taken. C) Always. D) Never. Show Answer Correct Answer: B) When the para position is taken. 18. What functional group is attached to an alkyl or aryl group in primary amines? A) -SH. B) -COOH. C) -NH2. D) -OH. Show Answer Correct Answer: C) -NH2. 19. 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. 20. CU$_{2}$CL$_{2}$ / HCL is used in A) CARBYLAMINE. B) SANDMEYERS. C) HOFFMANN BROMAMIDE. D) GABRIEL PHTHALIMIDE. Show Answer Correct Answer: B) SANDMEYERS. 21. 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. 22. The geometry of amines is A) Pyramidal. B) Tetrahedral. C) Trigonal planar. D) T shape. Show Answer Correct Answer: B) Tetrahedral. 23. 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. 24. 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. 25. A reaction in which a primary amine is formed from primary amide is called A) Hoffmann bromamide reaction. B) CARBYLAMINE. C) AZO DYE TEST. D) NITRATION. Show Answer Correct Answer: A) Hoffmann bromamide reaction. ← 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 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 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