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  1. 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 …

  2. Differences between Fe3+ and Fe2+ - Chemistry Stack Exchange

    Dec 9, 2015 · For eg., Fe2+ F e 2 + forms a red-orange compound with amine lignads. Fe3+ F e 3 + forms blood red solution with thiocyanate ions, which is used as fake blood in movies, …

  3. Is there an iron–iron bond in diiron nonacarbonyl?

    Aug 27, 2017 · 15 Diiron nonacarbonyl, $\ce { [Fe2 (CO)9]}$, is often depicted with an Fe–Fe bond as shown at the left-hand side: The Fe—Fe bond is usually invoked in order to (1) …

  4. What is the balanced equation for the reaction of potassium ...

    Sep 11, 2015 · Can you please help me understand if I got the half reactions correct? $$\ce {KMnO4 + FeSO4 + H2SO4 -> K2SO4 + MnSO4 + Fe2 (SO4)3 + H2O}$$ I found out that …

  5. Reaction of Fe2+ and S2- to form FeS - Chemistry Stack Exchange

    Feb 8, 2020 · Reaction of Fe2+ and S2- to form FeS Ask Question Asked 5 years, 11 months ago Modified 5 years, 11 months ago

  6. 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 …

  7. 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 …

  8. biochemistry - Why does the structure of haemoglobin change …

    May 15, 2018 · It is said that FeX2+ F e X 2 + can bind oxygen while FeX3+ F e X 3 + cannot. Why is that so? FeX3+ F e X 3 + has an extra electron, it could bind more easily to the …

  9. Why Fe 3+ is more common than Fe 2+ - Chemistry Stack Exchange

    Sep 16, 2015 · Not in igneous rocks. Most iron there, in silicate minerals throughout the deep crust and mantle, is Fe (II). Need to weather the rocks and expose the iron to an oxidizing …

  10. Why loss of exchange energy increases the stability?

    Feb 2, 2025 · In the same way, Fe2+ Fe 2 + has 3d6 3d 6 configuration and Mn2+ Mn 2 + has 3d5 3d 5 configuration. Hence, ionization enthalpy of Fe2+ Fe 2 + is lower than the Mn2+ Mn …