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ENTRANCE TEST – 2012 :: Discussion
| 32. | Oxidation state of ‘Mn’ in KMnO4, K2MnO4, MnO2 and MnSO4 is in the order: | |
| A. | +7, +6, +2, +4 | |
| B. | +6, +7, +2, +4 | |
| C. | +7, +6, +4, +2 | |
| D. | +4, +6, +7, +2 | |
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