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- #CBSE 12 Class
- #Chemistry
- #The d and f block elements
- #NCERT
- #Chemistry Part I Textbook for Class XII
8.19 Compare the stability of +2 oxidation state for the elements of the first transition series.
Answers (1)
According to our observation, except scandium, all other elements of the first row shows +2 oxidation state. On moving from to
the number of oxidation states increases but from
to
number of oxidation states decreases due to a decrease in unpaired electrons. The stability of +2 oxidation state increase on moving from
to
due to increase in difficulty level of removal of the third electron from d -orbital.
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