d and f BLOCK ELEMENTS Quiz

• The instability of the Zn²⁺ ion
• The low ionization energy of Zinc
• The high hydration energy of Zn
• The high stability associated with the completely filled d¹⁰ configuration of Zn²⁺

• Ti
• Cr
• Fe
• Ni

• The instability of the Fe³⁺ ion with a d⁵ configuration
• The instability of the Fe²⁺ ion with a d⁶ configuration
• The stability of the Fe²⁺ ion with a d⁶ configuration
• The extra stability of the Fe³⁺ ion with a d⁵ configuration

• The stability of the Mn³⁺ ion with a d⁴ configuration
• The instability of the Mn²⁺ ion with a d⁵ configuration
• High lattice energy of MnF₃
• The stability of the Mn²⁺ ion with a d⁵ configuration

• Ti
• Mn
• Ni
• Zn