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Name of the members of the lenthanoid series which exhibit +4 oxidation states and those which exhibit +2 oxidation states. Try to correlate this type of behaviour with the electronic configuration of these elements. |
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Answer» Solution : `+4= ._(58)Ce, ._(59)Pr, ._(60)ND, ._(65)Tb, . _(66)Dy`,`+2 = ._(60)Nd, ._(62)Sm, ._(63)Eu, . _(69) Tm, ._(70)Yb` `+2` oxidation state is exhibitedwhen the configuration left is CLOSE is to `4f^(0)(e.g., 4f^(0), 4f^(1), 4f^(2))` or close to `4f^(7) ( e.g., 4f^(7) ` or `4f^(8))` |
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