A) \[Zn>Fe>Cu>Cr\]
B) \[Sc=Ti<V=Cr\]
C) \[Zn<Cu<Ni<Co\]
D) \[V>Cr>Mn>Fe\]
Correct Answer: A
Solution :
Key Idea: The ionisation energies increase with increasing atomic number. The trend is irregular among d-block elementsElement | Sc | Ti | V | Cr | Mn | Fe | Co | Ni | Cu | Zn |
IE \[(kJ/mo{{l}^{-1}})\] | 631 | 656 | 650 | 652 | 717 | 762 | 758 | 736 | 745 | 905 |
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