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The s†an dard reduction potentials at 298 K for the following half reactions are given against each half reaction. Zn2+(aq) + 2e → Zn(s); – 0.762 V Cr3+(aq) + 3e → Cr(s); – 0.740 V 2H+(aq) + 2e → H2(g); 0.00 V Fe3+(aq) + e → Fe2+(aq); 0.770 V Which is the strongest reducing agent? Options: 1) Zn(s) 2) Cr(s) 3) H2(g) 4) Fe2+(aq.) |
| Answer» The s†an dard reduction potentials at 298 K for the following half reactions are given against each half reaction. Zn2+(aq) + 2e → Zn(s); – 0.762 V Cr3+(aq) + 3e → Cr(s); – 0.740 V 2H+(aq) + 2e → H2(g); 0.00 V Fe3+(aq) + e → Fe2+(aq); 0.770 V Which is the strongest reducing agent? Options: 1) Zn(s) 2) Cr(s) 3) H2(g) 4) Fe2+(aq.) | |