Q3. Balance the following half-equations (in acidic conditions where relevant) and then complete the full redox equation. (5 marks)
a) Zn(s) → Zn2+(aq)
b) VO2 + (aq) → VO2+(aq)
c) Full balanced equation
Please help answer?
2020-05-25 6:55 pm
回答 (1)
2020-05-25 7:11 pm
(a)
Zn(s) → Zn²⁺(aq) + 2e⁻
(b)
VO₂⁺(aq) + 2H⁺ + e⁻ → VO²⁺(aq) + H₂O(ℓ)
(c)
Zn(s) + 2VO₂⁺(aq) + 4H⁺ → Zn²⁺(aq) + 2VO²⁺(aq) + 2H₂O(ℓ)
Zn(s) → Zn²⁺(aq) + 2e⁻
(b)
VO₂⁺(aq) + 2H⁺ + e⁻ → VO²⁺(aq) + H₂O(ℓ)
(c)
Zn(s) + 2VO₂⁺(aq) + 4H⁺ → Zn²⁺(aq) + 2VO²⁺(aq) + 2H₂O(ℓ)
收錄日期: 2021-05-01 01:05:43
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