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प्रश्न
In which of the following pairs, the ions are iso-electronic?
(i) \[\ce{Na^{+}, Mg^{2+}}\]
(ii) \[\ce{Al3^{+}, O-}\]
(iii) \[\ce{Na+ , O2-}\]
(iv) \[\ce{N3-, Cl-}\]
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उत्तर
(i) \[\ce{Na^{+}, Mg^{2+}}\]
(iii) \[\ce{Na+ , O2-}\]
Explanation:
Isoelectronic species are those species that possess the same number of electrons.
Here both \[\ce{Na+, Mg^{2+}}\] possess 10 electrons and both \[\ce{Na+ , O2-}\] possess 10 electrons.
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संबंधित प्रश्न
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| (i) | (a) `n = 3, l = 2, m_l = -2, m_s = - 1/2` |
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| (ii) | (a) `n = 3, l = 1, m_l = 1, m_s = + 1/2` |
| (b) `n = 3, l = 2, m_l = 1, m_s = + 1/2` | |
| (iii) | (a) `n = 4, l = 1, m_l = 1, m_s = + 1/2` |
| (b) `n = 3, l = 2, m_l = 1, m_s = + 1/2` | |
| (iv) | (a) `n = 3, l = 2, m_l = +2, m_s = - 1/2` |
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