Which of the following oxidation state of oxygen is not observed in its compounds

Which of the following oxidation state of oxygen is not observed in its compounds
  1. \(-1 / 2\)
  2. \(-1\)
  3. \(+4\)
  4. \(+2\)

Solution

$O$ do not show $+4$ oxidation state because its valency is only $2$. $2s$ electrons takes more energy to ionize. *

Asked in: JEE-TOPICTESTS-CHEMISTRY

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