Question

oxidation number of BaO2?

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Answer 1

Answer:

-1 is the oxidation number of BaO2

Explanation:

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Answer 2

Answer:

According to the book for a binary compound, first we assign the element with greater electronegativity its oxidation number (oxygen always -2 except in peroxides). So, we have -2 x2 =-2. So, each oxygen would have an oxidation number of -2. The book says the answer is -1.

Explanation:

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