Halogenoalkanes and nucleophilic substitution Quiz
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5 questions, one answer each
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1. Which compound is a tertiary halogenoalkane?
- A. 1-bromobutane
- B. 2-bromobutane
- C. 1-bromo-2-methylpropane
- D. 2-bromo-2-methylpropane
2. Which reagent converts bromoethane into propanenitrile?
- A. Aqueous KCN
- B. KCN in ethanol
- C. Ethanolic KOH
- D. Excess ammonia in ethanol
3. What is the role of OH⁻ when bromoethane is heated with ethanolic KOH?
- A. Nucleophile
- B. Electrophile
- C. Oxidising agent
- D. Base
4. 1-bromopropane is warmed with aqueous silver nitrate in ethanol. What is observed?
- A. A white precipitate
- B. A cream precipitate
- C. A yellow precipitate
- D. No change at all
5. What is the organic product of excess ammonia with 1-chloropropane in ethanol under pressure?
- A. Propan-1-ol
- B. Propene
- C. Propylamine
- D. Butanenitrile