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Chemistry Forums for Students => High School Chemistry Forum => Topic started by: Judy on June 06, 2021, 09:55:32 PM

Title: diamagnetic , paramagnetic
Post by: Judy on June 06, 2021, 09:55:32 PM

The iron in hemoglobin is _____when carrying oxygen to cells, and ____ after releasing the oxygen.

A) diamagnetic Fe2+, paramagnetic Fe3+
B) diamagnetic Fe2+, paramagnetic Fe2+
C) paramagnetic Fe2+, diamagnetic Fe3+
D) paramagnetic Fe3+ diamagnetic Fe3+
E) none of these
The answer is B

Can someone explain this, please? Thanks.

Title: Re: diamagnetic , paramagnetic
Post by: Borek on June 07, 2021, 02:58:39 AM

Apparently the electron configuration of the iron change between both forms of hemoglobin. Do they have the save number of unpaired electrons?