30. Which statement is incorrect about complexes formed by the lanthanoids?
(A) Hard donor ligands are favored
(B) High coordination numbers are often observed
(C) The 4f atomic orbitals do not play a significant part in metal--ligand bonding
(D) Aqua ions are typically 6-coordinate
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題目解析 此題主要考查對於鑭系元素(l...