NCERT Class XII Chemistry
Chapter - The d- and f-Block Elements
Questions with Solutions
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Question : 10
Total: 49
What are the different oxidation states exhibited by the lanthanoids?
Solution:
In lanthanoids +3 oxidation state is predominant. However occasionally +2 and +4 ions in the solution or in solid compounds arealso obtained. e . g . C e 4 + , T b 4 + , E u 2 + , Y b 2 + , e t c . + 2 + 4 f −
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