Question 1
How many unpaired electrons are there in Ir(Br)64–? (Br– is a weak-field ligand.)
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4◦
3◦
2◦
1◦
0Question 2
How many unpaired electrons are there in the complex ion [Co(NO3)6]4–? For this ion, the nitrate ligands produce a very strong crystal field.
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1◦
2◦
3◦
4◦
5