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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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संबंधित प्रश्न
Using s, p, d notations, describe the orbital with the following quantum numbers n = 3; l =1.
Give the names of quantum numbers.
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State and explain Pauli’s exclusion principle.
State Hund’s rule of maximum multiplicity with a suitable example.
Write condensed orbital notation of electronic configuration of the following element:
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Write condensed orbital notation of electronic configuration of the following element:
Calcium (Z = 20)
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Which one of the following is NOT possible?
Number of angular nodes for 4d orbital is ______.
Total number of orbitals associated with third shell will be ______.
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Based upon the above information, arrange the following orbitals in the increasing order of energy.
5p, 4d, 5d, 4f, 6s
Match the quantum numbers with the information provided by these.
| Quantum number | Information provided |
| (i) Principal quantum number | (a) orientation of the orbital |
| (ii) Azimuthal quantum number | (b) energy and size of orbital |
| (iii) Magnetic quantum number | (c) spin of electron |
| (iv) Spin quantum number | (d) shape of the orbital |
Choose the INCORRECT statement
Which of the following is the correct plot for the probability density ψ2 (r) as a function of distance 'r' of the electron from the nucleus for 2s orbitals?
What are the possible values of magnetic quantum number for p orbital?
