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The d & f Block Elements — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryThe d & f Block Elements1 Mark
Question
Answer the following questions:
Which element of the first transition series has highest second ionisation enthalpy?
✓

Answer

Exchange the second ionization enthalpy shows unusually high values for Cr and Cu first transition series where the $d^5$ and $d^{10}$ configuration of the $\mathrm{M}^{+}$ions are disrupted, with considerable loss of energy.

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