For the cell Pt/H₂(g,1atm)/2H⁺(aq,1M)/Hg²⁺(aq,1M)/Hg(l), write down the spontaneous cell reaction
University of Ilorin CHM101 2015 past question
- H₂(g) + Hg²⁺(aq) → 2H⁺(aq) + Hg(l)
- 2H⁺(aq) + Hg(l) → H₂(g) + Hg²⁺(aq)
- H⁺(aq) + Hg(l) → ½H₂(g) + Hg²⁺(aq)
- ½H₂(g) + Hg²⁺(aq) → H⁺(aq) + Hg(l)
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