Which one of these complex ions would absorb light with the  shortest wavelength? a   [Co(en)6]2+ b   [Co(NH3)6]2+ c   [CoF6]4– d   [Co(CN)6]4– e   [Co(H2O)6]2+

Use the thermodynamic data below to compute the average bond enthalpy of the metal-ligand bonds in [Cu(NH3)4]2+(aq). Species ΔfH0kJ/mol S0J/mol/K NH3(aq) -80.29 111.3 Cu2+(aq) 64.77 -99.6 [Cu(NH3)4]2+(aq) -348.5 273.6 Include 3 significant figures

For each of the following pairs of complexes, identify the one that has the larger Crystal Field Stabilization Energy. A) [Fe(CN)6]3- B) [Ru(CN)6]3-

Answer the following questions about the transition metals complexes with the chemical formulas [Co(en)3]3+and [CoCl6]3- Would either the low-spin or high-spin configuration result in a paramagnetic complex? One of the complexes is orange while the other is blue. Which cobalt complex is which color? Justify your answer and identify which color the complex will absorb based on its color.