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प्रश्न
Iron (z=26) is highly ferromagnetic. Explain.
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उत्तर
Iron (z = 26), with electronic configuration [Ar] 3d6 4s2, contains four unpaired electrons. Hence, iron is strongly ferromagnetic.
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संबंधित प्रश्न
What is ferromagnetism?
What type of magnetism is shown in the following alignment of magnetic moments?

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Ferrimagnetism
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Reason: Actinide elements are strongly paramagnetic.
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| List - I | List - II | ||
| (Property) | (Example) | ||
| (A) | Diamagnetism | (i) | MnO |
| (B) | Ferrimagnetism | (ii) | O2 |
| (C) | Paramagnetism | (iii) | NaCl |
| (D) | Antiferromagnetism | (iv) | Fe3O4 |
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(Atomic number of Fe = 26, Cu = 29, Co = 27 and Ni = 28)
