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In which compounds is the usual oxygen rule an exception?

APermanganates

BPeroxides

CPentoxides

DPerchlorates

Answer & Solution

Correct answer: B. Peroxides

1. Oxygen atoms are directly linked to each other there. 2. Superoxides are the other exception. 3. Peroxides are one of them. _Source: syllabus Chemistry, Unit 7 'Redox Reactions'_

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