Differences between Fe3+ and Fe2+ - Chemistry Stack Exchange
Dec 9, 2015 · I would like to know the differences between Fe3+ and Fe2+ ions. I'm guessing they must differ in reactivity but I'm not sure how. Also, is there a way that we can observed the differences
What is the electronic configuration of Fe(II) ion?
Mar 22, 2015 · The electronic configuration of Fe is $\ce { [Ar] 3d^6 4s^2}$. So after removing two electrons the configuration becomes: $\ce { [Ar] 3d^6}$ But why can't the electrons rearrange …
Why do iron (II) ions and chromium have different electronic ...
Aug 30, 2015 · But when 2 electrons are to be removed to form the Fe2+ ion, the electrons are not removed from the 3d orbitals. 3d belongs to the 3rd energy level which becomes an inner filled …
About Fe (III) and Fe (II) coordination complexes
Oct 15, 2019 · Why does Fe(III) form octahedral coordination complexes if it has 5 electrons in its d-orbitals? I understand that Fe(II) has 6 electrons in its d-orbitals and 6 lone pairs from 6 ligands as …
inorganic chemistry - Is iron (III) carbonate stable in water ...
Dec 12, 2016 · It is not clear what do you mean stable. Iron (III) salts generally form an oxo-hydroxo precipitate unless some complexation or other tricks going on. From that point of view, it doesn't …
inorganic chemistry - Explaining the colour change in the potassium ...
Apr 26, 2018 · It's permanganate, not manganate. As for your question, consider the intensity of color. Compared to permanganate, both Fe2+ and Fe3+ are almost colorless.
How does an acid prevents or discourges oxidation of iron?
Feb 4, 2018 · In the titration of $\ce {KMnO4}$ with Mohr's salt, I have learned that sulphuric acid prevents oxidation of $\ce {Fe^2+}$ to $\ce {Fe^3+}$ in the solution before the actual titration. How …
biochemistry - Why does the structure of haemoglobin change when …
May 15, 2018 · The ion is held in the centre of the heme's porphyrin ring and is also attached to a nitrogen atom on a nearly histidine group which is part of the protein. When there is no oxygen …
inorganic chemistry - What happens to iron (III) sulfate (ferric ...
Aug 8, 2015 · Iron(II) sulfate (ferrous sulfate) is a salt that, in an aqueous solution, dissolves and yields $\\ce{Fe^{2+}(aq)}$ and $\\ce{SO4^{2-}(aq)}$. It then decomposes to ferric sulfate shortly thereafter. ...
inorganic chemistry - Why are there two infrared vibrational ...
Jan 11, 2022 · I am struggling to rationalise why there are two infrared vibrational frequencies ($\pu {2082 cm^-1}$ and $\pu {2019 cm^-1}$) for the stretching of the terminal $\ce {CO}$ ligands of $\ce …