Timeline for Hydrogen peroxide: catalyst changes colour during peroxide decomposition
Current License: CC BY-SA 3.0
7 events
| when toggle format | what | by | license | comment | |
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| Jan 29, 2017 at 0:29 | comment | added | Bob | If the solution only contains water, hydrogen peroxide, and iron chloride.. And the solution is a different color at the end of the reaction. There is no possible way that there are not any new-formed compounds. As water and H2O2 are both clear, and O2 would either evaporate, or remain dissolved. And dissolved O2 would still be clear. | |
| Jan 29, 2017 at 0:18 | comment | added | Bob | That is indeed the definition of a catalyst. But, I think the oxidation would actually be from O2. H2O2 -> H2O + O2 O2 + Fe(III) -> Fe2O3 I'm mostly just speculating... Sorry | |
| Jan 29, 2017 at 0:10 | comment | added | didgocks | Why would hydrogen peroxude oxidize the iron? The catalyst is not being used up | |
| Jan 28, 2017 at 23:23 | comment | added | Bob | No, I do not believe it does. It's possible I was thinking of chlorine - in which case chloride ions would be reacting with each-other near the end of the reaction. | |
| Jan 28, 2017 at 23:15 | comment | added | airhuff | Does NaCl dissolved in water appear orange? | |
| Jan 28, 2017 at 23:14 | history | edited | airhuff | CC BY-SA 3.0 |
Added MathJax formatting, fixed grammar error.
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| Jan 28, 2017 at 23:09 | history | answered | Bob | CC BY-SA 3.0 |