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These are my new answers:
Q2 How many unpaired electrons are present in the complex ion [Fe(H2O)6]3+? (water - weak field ligand)
5 *
4
0
2
3
Q7 The complex ions of Zn2+ are all colourless. The most likely explanation for this is:-
�?Zn2+ is paramagnetic
�?none of these statements is correct.
�?Zn2+ is an alkali metal.
�?Zn2+ exhibits d orbital splitting in its complexes such that they absorb all wavelengths in the visible region.
�?since Zn2+is a d10 ion, it does not absorb visible light even though the d orbital splittings are correct for absorbing visible wavelengths. *
Q11 Which of the following d orbital splitting diagrams is correct for the complex ion K4[Fe(CN)6]?
�?(dxy)2 (dxz)2 (dzy)1 (dx2-y2) (dz2)
�?none of these listed here
�?(dxy)1(dxz)1 (dzy)1 (dx2-y2)2 (dz2)2
�?(dxy)2 (dxz)2 (dzy)2 (dx2-y2)1 (dz2)
�?(dxy)2 (dxz)2 (dzy)2 (dx2-y2)(dz2) * |
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