Chlorination of alkanes Quiz
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5 questions, one answer each
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1. What is the role of ultraviolet light in the chlorination of methane?
- A. To act as a catalyst
- B. To break the Cl–Cl bond by homolytic fission
- C. To break the C–H bond in methane
- D. To form chloride ions
2. Which equation is a propagation step?
- A. Cl• + Cl• → Cl₂
- B. •CH₃ + •CH₃ → C₂H₆
- C. Cl₂ → 2Cl•
- D. CH₄ + Cl• → •CH₃ + HCl
3. Which product is formed by a termination step?
- A. CH₃Cl only
- B. HCl
- C. C₂H₆
- D. Cl•
4. How can the formation of CH₂Cl₂ be reduced?
- A. Use excess chlorine
- B. Use no UV light
- C. Use excess methane
- D. Increase the number of radicals
5. How many radicals are formed in the initiation step?
- A. Two
- B. One
- C. Three
- D. None