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A disproportionating element must exist in at least how many states?

ANine

BThree

CSeven

DEight

Answer & Solution

Correct answer: B. Three

1. It starts in an intermediate state. 2. Both a higher and a lower state are formed. 3. It needs at least three oxidation states. _Source: syllabus Chemistry, Unit 7 'Redox Reactions'_

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