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प्रश्न
The pair of ions having same electronic configuration is ______.
विकल्प
\[\ce{Cr^{3+}, Fe^{3+}}\]
\[\ce{Fe^{3+}, Mn^{2+}}\]
\[\ce{Fe^{3+}, Co^{3+}}\]
\[\ce{Sc^{3+}, Cr^{3+}}\]
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उत्तर
The pair of ions having same electronic configuration is \[\ce{Fe^{3+}, Mn^{2+}}\].
Explanation:
\[\ce{Fe^{3+}}\] electronic configuration is 1s2 2s2 2p6 3s2 3p6 3d5 4s2
\[\ce{Mn^{2+}}\] electronic configuration is 1s2 2s2 2p6 3s2 3p6 3d5 4s2
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