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Question
Match species given in Column I with the electronic configuration given in Column II.
| Column I | Column II |
| (i) \[\ce{Cr}\] | (a) [Ar]3d84s0 |
| (ii) \[\ce{Fe^{2+}}\] | (b) [Ar]3d104s1 |
| (iii) \[\ce{Ni^{2+}}\] | (c) [Ar]3d64s0 |
| (iv) \[\ce{Cu}\] | (d) [Ar] 3d54s1 |
| (e) [Ar]3d64s2 |
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Solution
| Column I | Column II |
| (i) \[\ce{Cr}\] | (d) [Ar] 3d54s1 |
| (ii) \[\ce{Fe^{2+}}\] | (c) [Ar]3d64s0 |
| (iii) \[\ce{Ni^{2+}}\] | (a) [Ar]3d84s0 |
| (iv) \[\ce{Cu}\] | (b) [Ar]3d104s1 |
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