Which of the following do not contain peroxide ions – InterviewSolution

1.	Which of the following do not contain peroxide ions
Answer» `PbO_(2)` `H_(2)O_(2)` `SrO_(2)` `BaO_(2)` SOLUTION :`PbO_(2)` is lead dioxide whereas (b) `H_(2)O_(2), (c) SrO_(2), (d) BaO_(2)` CONTAIN peroxide ION.

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