Arrange the following complexes in order of increasing orbital splitting enegy: [Co(NH3) 6]3+, [Co(NH3) 4]2+, [Co(NH3) 6]2+.(If needed, use the following equation:Spectrochemical Series
I- < Br- < Cl- < F- < OH- < H2O< NH3 < en < NO2- < CN- < CO)
A) [Co(NH3) 6]3+, [Co(NH3) 4]2+, [Co(NH3) 6]2+
B) [Co(NH3) 6]3+, [Co(NH3) 6]2+, [Co(NH3) 4]2+
C) [Co(NH3) 4]2+, [Co(NH3) 6]2+,[Co(NH3) 6]3+
D) [Co(NH3) 6]2+, [Co(NH3) 4]2+,[Co(NH3) 6]3+
E) [Co(NH3) 4]2+, [Co(NH3) 6]3+,[Co(NH3) 6]2+
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