Question

When sodium reacts with excess of oxygen, change in oxidation number of oxygen is .

Answer 1

Its A rule for assigning the oxidation states that the oxidation number of Oxygen , in All of its Compounds changes to -2 , except peroxides and superoxides

Therefore the Oxidation number of oxygen changes from a free state (0) to -2.

Answer 2

Hey ur answer

Its A rule for assigning the oxidation states that the oxidation number of Oxygen , in All of its Compounds changes to -2 , except peroxides and superoxides

Its A rule for assigning the oxidation states that the oxidation number of Oxygen , in All of its Compounds changes to -2 , except peroxides and superoxidesTherefore the Oxidation number of oxygen changes from a free state (0) to -2.

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