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Consider the following half-reactions: Half-reaction E° (V) Hg2+ (aq) + 2e —HgO) 0.855V Co2+ (aq) +2e - Cos) -0.280V Zn2+ (aq
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Oxidising gains electrons redning agent loses election Max & = the shorpest oxidising agent : Hgd iu) least the value of E. 3

5 yes Hg at will itself get reduced since it is sa strong oxidising agent and oxidize zn(s). co can reduce Bar Hg 2t 6) since

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