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Assertion. The second ionization energies of ._(23)V, ._(24)Cr and ._(25)Mn are in the order V lt Cr lt Mn. Reason . Ionization energies show a regular increase along a period with increase of atomic number. |
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Answer» Solution :Correction A. The correct order of `IE_(2)` is `._(23)V lt ._(24)Crgt._(25)Mn` Correct R. Cr after LOSING one ELECTRON has `3d^(5)` stable configuration from which removal of second electron is DIFFICULT. |
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