Practice question
Question
What is the charge of the coordination sphere in [Fe(NH₃)4Cl₂]NO₃?
Explanation
In [Fe(NH₃)4Cl₂]NO₃, [Fe(NH₃)4Cl₂]+ balances NO₃−. Fe is +3, 2 Cl− = −2, 4 NH₃ = 0. Charge = +3 − 2 = +1.
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