The tendency of 3d-metal ions to form stable complexes is due to their

1.	The tendency of 3d-metal ions to form stable complexes is due to their [MP PMT 1997]
A.	Variable oxidation state
B.	Strong electronegative nature
C.	High charge/size ratio and vacant d-orbitals
D.	Very low ionization energies
Answer» D. Very low ionization energies

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The tendency of 3d-metal ions to form stable complexes is due to their [MP PMT 1997]

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