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प्रश्न
Assign oxidation numbers to the underlined elements in the following species:
K2MnO4
उत्तर
K2MnO4
| +1 | x | -2 |
| K2 | Mn | O4 |
Then, we have
2(+1) +x + 4(-2) = 0
⇒ 2 + x - 8 = 0
⇒ x = + 6
Hence, the oxidation number of Mn is + 6.
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