Amines: properties and reactions Quiz
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5 questions, one answer each
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1. Which statement explains why butylamine is more basic than ammonia?
- A. The alkyl group releases electrons towards nitrogen, increasing the availability of its lone pair
- B. Butylamine has a larger relative molecular mass
- C. The alkyl group withdraws electrons from nitrogen
- D. Butylamine forms hydrogen bonds but ammonia does not
2. What is formed when phenylamine reacts with dilute hydrochloric acid?
- A. Phenol and ammonium chloride
- B. C₆H₅NH₃⁺Cl⁻
- C. C₆H₅NHCOCl
- D. Chlorobenzene and ammonia
3. Which is the organic product of C₆H₅NH₂ and CH₃COCl?
- A. C₆H₅COCH₃
- B. C₆H₅NH₃⁺Cl⁻
- C. CH₃COOC₆H₅
- D. C₆H₅NHCOCH₃
4. Why does the reaction of an amine with excess halogenoalkane give a mixture?
- A. The halogenoalkane is reduced
- B. The product amine still has a lone pair and reacts further
- C. The amine is oxidised
- D. Hydrogen bonds form between the products
5. What explains the deep blue solution when excess butylamine is added to copper(II) ions?
- A. Cu(OH)₂ is deep blue
- B. Butylamine oxidises copper to copper(III)
- C. A complex ion forms with butylamine ligands replacing water
- D. Copper(II) is reduced to copper(I)