Chemistry - f-block Question with Solution | TestHub
Chemistryf-blockf-blockMedium2 minQB
ChemistryMediummultiple choice
Which lanthanoids show +2 as well as the usual +3 oxidation state?
Options:(select one or more)
Answer:
B, C
Solution:
Eu²⁺ (4f⁷) and Yb²⁺ (4f¹⁴) gain stable half-filled or fully filled f subshells.
Stream:JEESubject:ChemistryTopic:f-blockSubtopic:f-block
⏱ 2mℹ️ Source: QB
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