JIPMER2016Chemistryd and f Block Elements
The E^ values for Mn and Zn are more negative than expected because
Options
- Athey have either half-filled and fully-filled configurations
- Bthey can easily donate electrons
- Cit is Quite easy to remove electrons from their orbitals
- DNone of the above
Correct answer
A. they have either half-filled and fully-filled configurations
Step-by-step solution
The values of standard electrode potentials for Mn, and Zn are more negative than expected. The reason behind this is that they have exactly half-filled and fully-filled configuration ons. aligned & ₂₅ Mn : [ Ar ] 3 d^5 4 s^2 & ₃₀ Zn :[ Ar ] 3 d¹⁰ 4 s^2 aligned