Production of hexavalent chromium during electrolysis using a …
I want to do rust removal by electrolysis (sodium carbonate, water solution) Can I use a stainless steel basket as a cathode or will it produce hexavalent chromium ? I know if I use stainless stee...
Can hydrogen peroxide reduce ferric ion to ferrous ion?
Jun 20, 2021 · I have studied that hydrogen peroxide always oxidizes ferrous ion to ferric ion (source of study : NCERT Chemistry Part II, Textbook for Class XI), but a question came in IIT …
Differences between H-H-O and H-O-H - Chemistry Stack Exchange
Jan 14, 2015 · Therefore, the formula $\ce {HHO}$ is either a very idiosyncratic way of denoting a molecule of water (normally written $\ce {H2O}$ and occasionally $\ce {HOH}$, in order to …
physical chemistry - How much hydrogen or oxygen will be …
Is there a way to exactly calculate the quantity of hydrogen or oxygen in a water electrolysis? I am thinking of a plain and simple electrolysis like an anode and cathode in salted water separating
In my homemade electrolysis setup, only the negative end bubbles?
I've created an electrolysis setup by connecting a $6~\\mathrm{V}$ battery to a cup filled with saline water via pencils; I am confused as to why only the negative pencil bubbles though. …
Hydrogen fuel cell - why do the H+ ions move through the …
Feb 19, 2015 · At the anode, hydrogen is oxidised (losing electrons). My first question is this: why is the anode negative if it is attracting electrons? accumulating My second question refers to …
Why does water dissociate to H3O+ and OH- rather than H+ and …
Why does water dissociate to $\ce {H3O+ + OH-}$ instead of $\ce {H+ + OH-}$? This question came to surface when I was learning about acids and bases, and learned this definition: …
Comparing strength of the C-H, N-H, and O-H bonds
May 6, 2019 · The answer should be C. One way would be to write the thermochemical equations, however since we just want to compare, we can do it without going into that. The …
Why is it OH- and not HO-? - Chemistry Stack Exchange
I am told that in a chemical equation the metal comes first and then the non metal. for example MgO, ZnSO 4,etc. But when both the elements are non metals or metals, the one with the …
physical chemistry - How do I calculate how much sodium …
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