Electronic configuration of cr3+ ion
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The d-electron configuration of Cr3+, Mn2+, Fe2+ and Ni2+ are 3d4, 3d5, 3d6 and 3d8 respectively. Which one of the following aqua complexes will exhibit the minimum paramagnetic behaviour? (At. no. Cr = 24, Mn = 25, Fe = 26, Ni = 28) from Chemistry Coordination Compounds Class 12 Karnataka Board
The electronic spectrum of the V 3+ ion, where V(III) is doped into alumina (Al 2 O 3), shows three major peaks with frequencies of: ν1=17400 cm-1, ν2=25400 cm-1 and ν3=34500 cm-1. These have been assigned to the following spin-allowed transitions.