Standard reduction potentials of the half reactions are given belowNi2+ + 2e– → Ni(s); E° = –0.25 VPb2+ + 2e– → Pb(s); E° = –0.13 VMg2+ + 2e– → Mg(s); E° = –2.36 VCa2+ + 2e– → Ca(s); E° = –2.87 VThe strongest oxidising and reducing agents are respectivelyMg2+ and NiPb2+ and CaCa2+ and PbNi2+ and Pb

The standard reduction potentials at 25°C for the following half reactions are :Zn2+(aq) + 2e– ⇌ Zn(s), E°RP = –0.762VCr2+(aq) + 3e– ⇌ Cr(s), E°RP = –0.740V2H+(aq) + 2e– ⇌ H2(g), E°RP = 0.00VFe3+(aq) + 2e– ⇌ Fe2+(aq), E°RP = 0.77 VWhich is the strongest reducing agent ?

Consider the cell potentials E∘Mg2+|Mg = −2.37V and E∘Fe2+|Fe = −0.04V . The best reducing agent among the above would be:

The standard reduction potential value of these metallic cations x, y & z are 0.52, –3.303 & –1.18 V respectively. The order of reducing power of the corresponding metals is

Write the oxidation and reduction half-reactions (without states of matter) for the following reaction:→+Br2aq  2KIaq + 2KBraq  I2aq

The reduction potential is a measure of an oxidized molecule's affinity for electrons in a redox half-reaction.  The table shows the standard reduction potential of several cytochromes involved in electron transport in the mitochondrial inner membrane.Redox half-reactionE′° (V)Cytochrome a (Fe3+) + e− → Cytochrome a (Fe2+)0.29Cytochrome a3 (Fe3+) + e− → Cytochrome a3 (Fe2+)0.35Cytochrome b (Fe3+) + e− → Cytochrome b (Fe2+)0.08Cytochrome c (Fe3+) + e− → Cytochrome c (Fe2+)0.25Cytochrome c1 (Fe3+) + e− → Cytochrome c1 (Fe2+)0.22According to the information, which series shows the sequence in which electrons pass through the cytochromes during oxidative phosphorylation?A.Cytochrome a → cytochrome a3 → cytochrome b → cytochrome c1 → cytochrome cB.Cytochrome a3 → cytochrome a → cytochrome c → cytochrome c1 → cytochrome bC.Cytochrome a3 → cytochrome a → cytochrome b → cytochrome c1 → cytochrome cD.Cytochrome b → cytochrome c1 → cytochrome c → cytochrome a → cytochrome a3