Question:
Find the oxidation state of sodium in Na₂O₂.

Answer:

Let the oxidation state of Na be x. The oxidation state of oxygen, in case of peroxides, is-1.

Therefore,

2(x) + 2(-1) = 0

2x - 2 = 0

2x = 2

x = 1

Therefore, the oxidation sate of sodium is +1.

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Find the oxidation state of sodium in Na₂O₂.

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Question:
Find the oxidation state of sodium in Na₂O₂.