Chemistry · Redox Reactions
Determine the oxidation numbers of the central active elements (Mn, Cr, and Cl) in the following compounds respectively: KMnO4, K2Cr2O7, KClO4
- 1+7, +6, +5
- 2+7, +7, +6
- 3+6, +7, +6
- 4+7, +6, +7✓
Correct answer
+7, +6, +7
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