<span><span>Standard Reduction Potentials in Aqueous Solution at 25oC</span><span>Acidic Solution<span>Eo (V)</span></span><span>F2(g) + 2 e– 2 F–(aq)+2.87</span><span>Co3+(aq) + e– Co2+(aq)+1.82</span><span>Pb4+(aq) + 2 e– Pb2+(aq)+1.8</span><span>H2O2(aq) + 2 H+(aq) + 2 e– 2 H2O+1.77</span><span>NiO2(s) + 4 H+(aq) + 2 e– Ni2+ (aq) + 2 H2O+1.7</span><span>PbO2(s) + SO42–(aq) + 4 H+(aq) + 2 e– PbSO4(s) + 2 H2O+1.685</span><span>Au+(aq) + e– Au(s)+1.68</span><span>2 HClO(aq) + 2 H+(aq) + 2 e– Cl2(g) + 2 H2O+1.63</span><span>Ce4+(aq) + e– Ce3+(aq)+1.61</span><span>NaBiO3(s) + 6 H+(aq) + 2 e– Bi3+(aq) + Na+(aq) + 3 H2O+~1.6</span><span>MnO4–(aq) + 8 H+(aq) + 5 e– Mn2+(aq) + 4 H2O+1.51</span><span>Au3+(aq) + 3 e– Au(s)+1.5</span><span>ClO3–(aq) + 6 H+(aq) + 5 e– 1/2 Cl2(g) + 3 H2O+1.47</span><span>BrO3– + 6 H+(aq) + 6 e– Br–(aq) + 3 H2O+1.44</span><span>Cl2(g) + 2 e– 2 Cl–(aq)+1.358</span><span>Cr2O72– + 14 H+(aq) + 6 e– 2 Cr3+(aq) + 7 H2O+1.33</span><span>N2H5+(aq) + 3 H+(aq) + 2 e– 2 NH4+(aq)+1.24</span><span>MnO2(s) + 4 H+(aq) + 2 e– Mn2+(aq) + 2 H2O+1.23</span><span>O2(g) + 4 H+(aq) + 4 e– 2 H2O+1.229</span><span>Pt2+(aq) + 2 e– Pt(s)+1.2</span><span>IO3–(aq) + 6 H+(aq) + 5 e– 1/2 I2(aq) + 3 H2O+1.195</span><span>ClO4–(aq) + 2 H+(aq) + 2 e– ClO3–(aq) + H2O+1.19</span><span>Br2(l) + 2 e– 2 Br–(aq)+1.066</span><span>AuCl4– + 3 e– Au(s) + 4 Cl–(aq)+1</span><span>Pd2+(aq) + 2 e– Pd(s)+0.987</span><span>NO3–(aq) + 4 H+(aq) + 3 e<span>– </span> NO(g) + 2 H2O+0.96</span><span>NO3–(aq) + 3 H+(aq) + 2 e– HNO2(aq) + H2O+0.94</span><span>2 Hg2+(aq) + 2 e– Hg22+(aq)+0.92</span><span>Hg2+(aq) + 2 e– Hg(l)+0.855</span><span>Ag+(aq) + e– Ag(s)+0.7994</span><span>Hg22+(aq) + 2 e– 2 Hg(l)+0.789</span><span>Fe3+(aq) + e– Fe2+(aq)+0.771</span><span>SbCl6–(aq) + 2 e– SbCl4–(aq) + 2 Cl–(aq)+0.75</span><span>[PtCl4]2–(aq) + 2 e– Pt(s) + 4 Cl–(aq)+0.73</span><span>O2(g) + 2 H+(aq) + 2 e– H2O2(aq)+0.682</span><span>[PtCl6]2–(aq) + 2 e– [PtCl4]2–(aq) + 2 Cl–(aq)+0.68</span><span>H3AsO4(aq) + 2 H+(aq) + 2 e– H3AsO3(aq) + H2O+0.58</span><span>I2(s) + 2 e– 2 I–(aq)+0.535</span><span>TeO2(s) + 4 H+(aq) + 4 e– Te(s) + 2 H2O+0.529</span><span>Cu+(aq) + e– Cu(s)+0.521</span><span>[RhCl6]3–(aq) + 3 e– Rh(s) + 6 Cl–(aq)+0.44</span><span>Cu2+(aq) + 2 e– Cu(s)+0.337</span><span>HgCl2(s) + 2 e– 2 Hg(l) + 2 Cl–(aq)+0.27</span><span>AgCl(s) + e– Ag(s) + Cl–(aq)+0.222</span><span>SO42–(aq) + 4 H+(aq) + 2 e– SO2(g) + 2 H2O+0.2</span><span>SO42–(aq) + 4 H+(aq) + 2 e– H2SO3(g) + H2O+0.17</span><span>Cu2+(aq) + e– Cu+(aq)+0.153</span><span>Sn4+(aq) + 2 e– Sn2+(aq)+0.15</span><span>S(s) + 2 H+(aq) + 2 e– H2S(aq)+0.14</span><span>AgBr(s) + e– Ag(s) + Br–(aq)+0.0713</span><span>2 H+(aq) + 2 e– H2(g) (reference electrode)0</span><span>N2O(g) + 6 H+(aq) + H2O + 4 e– 2 NH3OH+(aq)-0.05</span><span>Pb2+(aq) + 2 e– Pb(s)-0.126</span><span>Sn2+(aq) + 2 e– Sn(s)-0.14</span><span>AgI(s) + e– Ag(s) + I–(aq)-0.15</span><span>[SnF6]2–(aq) + 4 e– Sn(s) + 6 F–(aq)-0.25</span><span>Ni2+(aq) + 2 e– Ni(s)-0.25</span><span>Co2+(aq) + 2 e– Co(s)-0.28</span><span>Tl+(aq) + e– Tl(s)-0.34</span><span>PbSO4(s) + 2 e– Pb(s) + SO42–(aq)-0.356</span><span>Se(s) + 2 H+(aq) + 2 e<span>– </span> H2Se(aq)-0.4</span><span>Cd2+(aq) + 2 e– Cd(s)-0.403</span><span>Cr3+(aq) + e– Cr2+(aq)-0.41</span><span>Fe2+(aq) + 2 e– Fe(s)-0.44</span><span>2 CO2(g) + 2 H+(aq) + 2 e– (COOH)2(aq)-0.49</span><span>Ga3+(aq) + 3 e– Ga(s)-0.53</span><span>HgS(s) + 2 H+(aq) + 2 e– Hg(l) + H2S(g)-0.72</span><span>Cr3+(aq) + 3 e– Cr(s)-0.74</span><span>Zn2+(aq) + 2 e– Zn(s)-0.763</span><span>2H2O(l) + 2 e– H2(g) + 2OH-(aq)-0.8277</span><span>Cr2+(aq) + 2 e<span>– </span> Cr(s)-0.91</span><span>Mn2+(aq) + 2 e– Mn(s)-1.18</span><span>V2+(aq) + 2 e– V(s)-1.18</span><span>Zr4+(aq) + 4 e– Zr(s)-1.53</span><span>Al3+(aq) + 3 e– Al(s)-1.66</span><span>H2(g) + 2 e– 2 H–(aq)-2.25</span><span>Mg2+(aq) + 2 e– Mg(s)-2.37</span><span>Na+(aq) + e– Na(s)-2.714</span><span>Ca2+(aq) + 2 e– Ca(s)-2.87</span><span>Sr2+(aq) + 2 e– Sr(s)-2.89</span><span>Ba2+(aq) + 2 e<span>– </span> Ba(s)-2.9</span><span>Rb+(aq) + e– Rb(s)-2.925</span><span>K+(aq) + e– K(s)-2.925</span><span>Li+(aq) + e– Li(s)-3.045</span><span>Basic Solution </span><span>ClO–(aq) + H2O + 2 e– Cl–(aq) + 2 OH–(aq)0.89</span><span>OOH–(aq) + H2O + 2 e– 3 OH–(aq)0.88</span><span>2 NH2OH(aq) + 2 e– N2H4(aq) + 2 OH–(aq)0.74</span><span>ClO3– (aq) + 3 H2O + 6 e– Cl–(aq) + 6 OH–(aq)0.62</span><span>MnO4–(aq) + 2 H2O + 3 e– MnO2(s) + 4 OH–(aq)0.588</span><span>MnO4–(aq) + e– MnO42–(aq)0.564</span><span>NiO2(s) + 2 H2O + 2 e- Ni(OH)2(s) + 2 OH–(aq)0.49</span><span>Ag2CrO4(s) + 2 e– 2 Ag(s) + CrO42–(aq)0.446</span><span>O2(g) + 2 H2O + 4 e– 4 OH–(aq)0.4</span><span>ClO4–(aq) + H2O + 2e– ClO3–(aq) + 2 OH–(aq)0.36</span><span>Ag2O(s) + H2O + 2e– 2 Ag(s) + 2 OH–(aq)0.34</span><span>2 NO2–(aq) + 3 H2O + 4 e– N2O(g) + 6 OH–(aq)0.15</span><span>N2H4(aq) + 2 H2O + 2 e– 2 NH3(aq) + 2 OH–(aq)0.1</span><span>[Co(NH3)6]3+(aq) + e– [Co(NH3)6]2+(aq)0.1</span><span>HgO(s) + H2O + 2e– Hg(l) + 2 OH–(aq)0.0984</span><span>O2(g) + H2O + 2 e– OOH–(aq) + OH–(aq)0.076</span><span>NO3–(aq) + H2O + 2 e– NO2–(aq) + 2 OH–(aq)0.01</span><span>MnO2(s) + 2 H2O + 2 e– Mn(OH)2(s) + 2 OH–(aq)-0.05</span><span>CrO42–(aq) + 4 H2O + 3 e– Cr(OH)3(s) + 5 OH–(aq)-0.12</span><span>Cu(OH)2(s) + 2 e– Cu(s) + 2 OH–(aq)-0.36</span><span>Fe(OH)3(s) + e– Fe(OH)2(s) + OH–(aq)-0.56</span><span>2 H2O + 2 e– H2(g) + 2 OH–(aq)-0.8277</span><span>2 NO3–(aq) + 2 H2O + 2 e– N2O4(g) + 4 OH–(aq)-0.85</span><span>Fe(OH)2(s) + 2 e– Fe(s) + 2 OH–(aq)-0.877</span><span>SO42–(aq) + H2O + 2 e– SO32–(aq) + 2 OH–(aq)-0.93</span><span>N2(g) + 4 H2O + 4 e– N2H4(aq) + 4 OH–(aq)-1.15</span><span>[Zn(OH)4]2–(aq) + 2 e– Zn(s) + 4 OH–(aq)-1.22</span><span>Zn(OH)2(s) + 2 e– Zn(s) + 2 OH–(aq)-1.245</span><span>[Zn(CN)4]2–(aq) + 2 e– Zn(s) + 4 CN–(aq)-1.26</span><span>Cr(OH)3(s) + 3 e– Cr(s) + 3 OH–(aq)-1.3</span><span>SiO32–(aq) + 3 H2O + 4 e– Si(s) + 6 OH–(aq)<span>-1.7
try to understand</span></span></span>
try to understand</span></span></span>
8
0