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Ion fer III (rouille)
Ion fer II (vert) |
\(\displaystyle \mathrm{ Fe^{3+} \ / \ Fe^{2+} }\) |
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\(\displaystyle \mathrm{ Fe^{3+} + e^- \longrightarrow Fe^{2+} }\) |
Ion cuivre II (bleu)
Cuivre |
\(\displaystyle \mathrm{ Cu^{2+} \ / \ Cu }\) |
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\(\displaystyle \mathrm{ Cu^{2+} + 2 \ e^- \longrightarrow Cu }\) |
Diode
Ion iodure |
\(\displaystyle \mathrm{ I_2 \ / \ I^- }\) |
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\(\displaystyle \mathrm{ I_2 + 2 \ e^- \longrightarrow 2 \ I^- }\) |
Eau oxygénée
Eau |
\(\displaystyle \mathrm{ H_2O_2 \ / \ H_2O }\) |
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\(\displaystyle \mathrm{ H_2O_2 + 2 \ H^+ + 2 \ e^- \longrightarrow 2 \ H_2O }\) |
Ion oxonium
Dihydrogène |
\(\displaystyle \mathrm{ H_3O^+ \ / \ H_2 }\) |
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\(\displaystyle \mathrm{ H_3O^+ + H^+ + 2 \ e^- \longrightarrow H_2 + H_2O }\) |
Ion H+
Dihydrogène |
\(\displaystyle \mathrm{ H^+ \ / \ H_2 }\) |
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\(\displaystyle \mathrm{ 2 \ H^+ + 2 \ e^- \longrightarrow H_2 }\) |
Dioxygène
Ion hydroxyde |
\(\displaystyle \mathrm{ O_2 \ / \ HO^- }\) |
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\(\displaystyle \mathrm{ O_2 + 3 \ H^+ + 4 \ e^- \longrightarrow HO^- + H_2O}\) |
Ion peroxodisulfate
Ion sulfate |
\(\displaystyle \mathrm{ S_2O_8^{2-} \ / \ SO_4^{2-} }\) |
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\(\displaystyle \mathrm{ S_2O_8^{2-} + 2 \ e^- \longrightarrow 2 \ SO_4^{2-} }\) |
Ion tétrathionate
Ion thiosulfate |
\(\displaystyle \mathrm{ S_4O_6^{2-} \ / \ S_2O_3^{2-} }\) |
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\(\displaystyle \mathrm{ S_4O_6^{2-} + 2 \ e^- \longrightarrow 2 \ S_2O_3^{2-} }\) |
Ion thiosulfate
Soufre |
\(\displaystyle \mathrm{ S_2O_3^{2-} \ / \ S }\) |
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\(\displaystyle \mathrm{ SO_3^{2-} + 6 H^+ + 4 \ e^- \longrightarrow 2 S + 3 H_2O }\) |
Dioxyde de soufre
Ion thiosulfate |
\(\displaystyle \mathrm{ SO_2 \ / \ S_2O_3^{2-} }\) |
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\(\displaystyle \mathrm{ 2 \ SO_2 + 2 H^+ + 4 \ e^- \longrightarrow S_2O_3^{2-} + H_2O }\) |
Oxyde de manganèse
Ion manganèse |
\(\displaystyle \mathrm{ MnO_2 \ / \ Mn^{2+} }\) |
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\(\displaystyle \mathrm{ MnO_2 + 4H^+ + 2 \ e^- \longrightarrow Mn^{2+} + 2 H_2O }\) |
Ion permanganate
Oxyde de manganèse |
\(\displaystyle \mathrm{ MnO_4^- \ / \ MnO_2 }\) |
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\(\displaystyle \mathrm{ MnO_4^- + 4 H^+ + 3 \ e^- \longrightarrow MnO_2 + 2 H_2O }\) |
Ion permanganate
Ion manganèse |
\(\displaystyle \mathrm{ MnO_4^- \ / \ Mn^{2+} }\) |
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\(\displaystyle \mathrm{ MnO_4^- + 8 H^+ +5 \ e^- \longrightarrow Mn^{2+} + 4 H_2O }\) |
Ion dichromate
Ion chrome III |
\(\displaystyle \mathrm{ Cr_2O_7^{2-} \ / \ Cr^{3+} }\) |
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\(\displaystyle \mathrm{ Cr_2O_7^{2-} + 14 \ H^+ + 6 \ e^- \longrightarrow 2 \ Cr^{3+} + 7 H_2O }\) |
Ion hypochlorite
Ion chlorure |
\(\displaystyle \mathrm{ ClO^- \ / \ Cl^- }\) |
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\(\displaystyle \mathrm{ ClO^- + 2 \ H^+ + 2 \ e^- \longrightarrow 2 \ Cl^- + H_2O }\) |
Ethanal
Ethanol |
\(\displaystyle \mathrm{ C_2H_4O \ / \ C_2H_6O }\) |
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\(\displaystyle \mathrm{ C_2H_4O +2 \ e^- \longrightarrow C_2H_6O }\) |
Acide éthanoïque
Ethanal |
\(\displaystyle \mathrm{ C_2H_4O_2 \ / \ C_2H_4O }\) |
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\(\displaystyle \mathrm{ C_2H_4O_2 + 2 \ H^+ + 2 \ e^- \longrightarrow C_2H_4O + H_2O }\) |
Acide éthanoïque
Ethanol |
\(\displaystyle \mathrm{ C_2H_4O_2 \ / \ C_2H_6O }\) |
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\(\displaystyle \mathrm{ C_2H_4O_2 + 4 \ H^+ + 4 \ e^- \longrightarrow C_2H_6O + H_2O }\) |
Propanone
Propan-2-ol |
\(\displaystyle \mathrm{ C_2H_6O \ / \ C_2H_8O }\) |
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\(\displaystyle \mathrm{ C_2H_6O + 2 \ H^+ + 2 \ e^- \longrightarrow C_2H_8O }\) |
