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Oxidation States

Which of the ...

Question

Which of the following elements does not show an Oxidation state of $+ 4$ ?

A

O

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B

S

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C

Se

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D

Te

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Solution

The correct option is C $O$
O do not show +4 oxidation state because its valency is only 2 because $2 S^{2}$ electrons takes more energy to ionize.

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