Which one of the following group $16$ , elements does not exist in $- 2$ oxidation state?

S

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S e

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O

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P o

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T e

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Solution

The correct option is D $P o$
In the group $16$ , most metallic element (i.e. most electropositive element) does not show $- 2$ oxidation state as its electronegativity is very low.
Hence, $P o$ (polonium) $(Z = 84)$ does not show $- 2$ oxidation state because on going down the group, electropositive nature increases.

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Which one of the following group 16, elements does not exist in −2 oxidation state?

Which one of the following group $16$ , elements does not exist in $- 2$ oxidation state?