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प्रश्न
Match the statements given in Column I with the oxidation states given in Column II.
| Column I | Column II | |
| (i) | Oxidation state of Mn in MnO2 is | (a) + 2 |
| (ii) | Most stable oxidation state of Mn is | (b) + 3 |
| (iii) | Most stable oxidation state of | (c) + 4 |
| Mn in oxides is | (d) + 5 | |
| (iv) | Characteristic oxidation state of lanthanoids is | (e) + 7 |
उत्तर
| Column I | Column II | |
| (i) | Oxidation state of Mn in MnO2 is | (c) + 4 |
| (ii) | Most stable oxidation state of Mn is | (a) + 2 |
| (iii) | Most stable oxidation state of Mn in oxides is | (e) + 7 |
| (iv) | Characteristic oxidation state of lanthanoids is | (b) + 3 |
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संबंधित प्रश्न
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(i) it has variable ionisation enthalpy
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(iv) it resembles Pb4+
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(Atomic numbers of Mn = 25 and Fe = 26)
Name an important alloy which contains some of the lanthanoid metals.
