One important function of atomic and ionic radius is in regulating the uptake of oxygen by haemoglobin. for the change in ionic radius that accompanies the conversion of Fe(ll) to Fe(lll) when O2 attaches t riggers a conformational change in the protein. Which do you expect to be larger: Fe2+ or Fe3+? Why?

Chemistry
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Chapter7: Atomic Structure And Periodicity
Section: Chapter Questions
Problem 35Q: Does the minimization of electron-electron repulsions correlate with Hund's rule?
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One important function of atomic and ionic radius is in regulating the uptake of oxygen by haemoglobin. for the change in ionic radius that accompanies the conversion of Fe(ll) to Fe(lll) when O2 attaches t riggers a conformational change in the protein. Which do you expect to be larger: Fe2+ or Fe3+? Why?

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