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    Chemical Principles Study Set 4
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    Exam 19: Transition Metals and Coordination Chemistry
  5. Question
    The 3d Electrons in Co(NH<sub>3</sub>)<sub>6</sub><sup>3+</sup> Are All Paired, but Fe(H<sub>2</sub>O)<sub>6</sub><sup>2+</sup>
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The 3d Electrons in Co(NH3)63+ Are All Paired, but Fe(H2O)62+

Question 87

Question 87

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The 3d electrons in Co(NH3)63+ are all paired, but Fe(H2O)62+ has unpaired electrons (is paramagnetic). Explain.

Correct Answer:

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Both complex ions have six 3d electrons....

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