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Write shorthand notation for the cell for each of thefollowing reactions :(a) Cu_((aq))^(2+) + 2Ag_((s)) + 2Br_((aq))^(-) to Cu_((s)) + 2AgBr_((s)) (b) Sn_((aq))^(2+) is oxidized by Br_(2(1)) |
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Answer» Solution :(a) `Cu_(aq)^(2+) + 2AG_((s)) + 2Br_(aq)^(-) to Cu_(s) + 2AgBr_((s))` `2Ag_((s)) + 2Br_((aq))^(-) to 2AgBr_((s)) + 2e^(-)`(Oxidation HALF reaction at ANODE ) `Cu_((aq))^(2+) - 2e^(-) to Cu_((s))` (Reducation half reactionat cathode) Hencethe CELL is , `Ag_((s)) |AgBr_((s)) |Br_((aq))^(-) (1M) || Cu_((aq))^(2+)(1M) |CU` (b)`Sn_((aq))^(-) + Br_(2(l)) to Sn_((aq))^(4+) + 2Br_((aq))^(-)` `Sn_((aq))^(2+) to Sn_((aq))^(4+) + 2Br_((aq))^(-)` (Oxidation halfreactionatanode) `Br_(2(l)) + 2^(-) to 2Br^(-)`(Reductin halfreactionat cathode). Hencethe cell is , `Pt| Sn_((aq))^(2+),Sn_((aq))^(4) || Br_((aq))^(-) | Br_((aq))^(-) | Pt ` |
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