Reactions of alkanes and free radical substitution Quiz
Studying this course? Keep your progress in one place.
Pick an answer for each. Quizzes never use energy.
5 questions, one answer each
Each answer is checked as you go, with why.
See all 5 questions
1. Which step has a radical on each side of the arrow?
- A. Initiation
- B. Propagation
- C. Termination
- D. Hydrolysis
2. What does a curly half-arrow represent?
- A. Movement of an electron pair
- B. Movement of one electron
- C. Movement of a proton
- D. Formation of an ion
3. Which equation is termination?
- A. Cl₂ → 2Cl•
- B. CH₄ + Cl• → •CH₃ + HCl
- C. •CH₃ + •CH₃ → C₂H₆
- D. •CH₃ + Cl₂ → CH₃Cl + Cl•
4. Why is ultraviolet light needed for initiation?
- A. It provides energy to break the Cl–Cl bond
- B. It acts as a catalyst
- C. It makes methane polar
- D. It forms Cl⁻ ions
5. Which compound is a likely by-product of reacting methane with excess chlorine?
- A. CH₃OH
- B. CH₂Cl₂
- C. C₂H₄
- D. HCOOH