Question
In which of the following elements +1 oxidation state is more stable than +3 oxidation state?
In which of the following elements +1 oxidation state is more stable than +3 oxidation state?
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Solution
The correct option is C Tl
Due to inert pair effect, Tl(+1) is more stable than Tl(+3). The valence "s” electrons act as inner core electrons due to poor shielding of "d” and "f” electrons is called as inert pair effect.
Tl
Due to inert pair effect, Tl(+1) is more stable than Tl(+3). The valence "s” electrons act as inner core electrons due to poor shielding of "d” and "f” electrons is called as inert pair effect.
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