The oxidation number of oxygen in BaO2 is

Assessment: JAMB UTME - Chemistry - 2022 Subject: Chemistry

Question 1 Report

The oxidation number of oxygen in BaO2 is
Answer Details
To determine the oxidation number of oxygen in BaO2, we can use the fact that the overall charge of a compound must be zero. Barium (Ba) is a Group 2 element and has an oxidation state of +2. The compound BaO2 has no net charge, so the sum of the oxidation states of all the atoms must be zero. Let x be the oxidation state of oxygen in BaO2. Therefore, we have: (+2) + 2(x) = 0 Solving for x, we get: x = -1 Therefore, the oxidation number of oxygen in BaO2 is -1.

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