Although +3 is the characteristic oxidation state for lanthanoids but cerium also shows +4 oxidation state because ___________.
Although +3 is the characteristic oxidation state for lanthanoids but cerium also shows +4 oxidation state because ___________.
(i) it has variable ionisation enthalpy
(ii) it has a tendency to attain noble gas configuration
(iii) it has a tendency to attain f0 configuration
(iv) it resembles Pb4+
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(ii), (iii)
(ii) it has a tendency to attain noble gas configuration
(iii) it has a tendency to attain f0 configuration
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