Write balanced half-reactions for the following redox reaction:
H3AsO4(aq)+4H2O(l)+4Zn(s)→ AsH3(g)+8OH−(aq)+4Zn+2(aq)
chemistry redox reaction help?
2017-11-29 3:38 pm
回答 (3)
2017-11-29 5:18 pm
✔ 最佳答案
Oxidation half-equation: Zn(s) → Zn²⁺(aq) + 2e⁻Reduction half-equation: H₃AsO₄(aq) + 4H₂O(l) + 8e⁻ → AsH₃(g) + 8OH⁻(aq)
2017-11-29 3:55 pm
As{5+} + 8 e{-} → As{3-}
Zn{0} → Zn{2+} + 2 e{-}
Zn{0} → Zn{2+} + 2 e{-}
2017-11-29 3:38 pm
Nope.
收錄日期: 2021-04-18 17:58:32
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