R3.4 Electron-pair sharing reactions Quiz
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5 questions, one answer each
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1. Which is a Lewis acid but not a Brønsted–Lowry acid?
- A. HCl
- B. AlCl₃
- C. H₂O
- D. NH₄⁺
2. What is the charge on [Cu(H₂O)₄Cl₂] formed from Cu²⁺?
- A. 2+
- B. 0
- C. 2−
- D. 4+
3. Rate = k[RX] only. Which substrate is most likely?
- A. Bromomethane
- B. 1-bromopropane
- C. 2-bromo-2-methylpropane
- D. Bromoethane
4. Which carbocation is most stable?
- A. CH₃⁺
- B. CH₃CH₂⁺
- C. (CH₃)₂CH⁺
- D. (CH₃)₃C⁺
5. In the nitration of benzene, which species is lost from the intermediate to restore the ring?
- A. NO₂⁺
- B. H⁺
- C. OH⁻
- D. HSO₄⁻