Unit 4 · Electrochemistry

Question Bank

Cambridge IGCSE Chemistry 0620 · 17 questions

Q1Electrochemistry

According to the comparison table in this lesson, what is the Anode half-eq. of Molten PbBr₂?

(a)2Br⁻ → Br₂ + 2e⁻

(b)2Cl⁻ → Cl₂ + 2e⁻

(c)4OH⁻ → O₂ + 2H₂O + 4e⁻

(d)Cu → Cu²⁺ + 2e⁻

Correct answer: (a) 2Br⁻ → Br₂ + 2e⁻

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