HO NOH The colours of a series of Ni(II) complexes are listed below and vary according to the type of ligand present in

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Ho Noh The Colours Of A Series Of Ni Ii Complexes Are Listed Below And Vary According To The Type Of Ligand Present In 1 (51.56 KiB) Viewed 34 times

HO NOH The colours of a series of Ni(II) complexes are listed below and vary according to the type of ligand present in the coordination complex. Complex Colour [Ni(H,0).JSO4 blue-green [Ni(H,O).(en)]SO blue [NICH,0),(en),]SO violet Y [Ni(en)]SO Indigo 560nm dimethylglyotime (DMCI) [NI(DMG)] red ho 490 nm [Ni(NH3).JSO. violet NH KINI(CN).] yellow/orange ethylenodiamine (en) 580 nm 650 nm R 750 nm CE 400 nm V G 430 nm HN i. ii. Draw the molecular structures of each of these seven complexes indicating charges where applicable. Explain, with the aid of crystal-field splitting energy (A.), why substituting aqua ligands with ethylenediamine (en) results in a shift from blue-green to indigo- violet