Timeline for Does manganese reacts with water at "not" standard conditions?
Current License: CC BY-SA 4.0
3 events
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| Jan 13, 2023 at 1:00 | comment | added | Oscar Lanzi | My interpretation is that water and oxygen are both reactants in the half equation $\ce{2 H2O + O2 +4e^- -> 4 OH^-}$. Rust formation mechanisms I have seen must include ferrous hydroxide be assembled iron(II) and hydroxide ions are formed to begin the process. See for instance en.wikipedia.org/wiki/Rust. | |
| Jan 13, 2023 at 0:34 | comment | added | jimchmst | Dissolved O2 oxidizes Fe+2 to Fe+3. It is not necessary for the reaction of Fe with water to give ferrous hydroxide. Water is reduced to H2 not to hydroxide ions. the latter have no change in oxidation state. | |
| Jan 12, 2023 at 1:24 | history | answered | Oscar Lanzi | CC BY-SA 4.0 |