Which of the following shows only +2 oxidation state
Correct answer: B. Zn
- A. Sc
- B. Zn
- C. Cu
- D. Co
Explanation
"Zn" is non-typical transition element it does not show variable oxidation state. So, it shows only +2 oxidation state.i.e Zn2+=[Ar]4so 3d10
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About Electronic Structure of d-Block Elements
The electronic structure of d-block elements covers the filling of the (n-1)d and ns orbitals, general electronic configurations, and the exceptions shown by chromium and copper. It explains how partially filled d orbitals produce variable oxidation states, coloured ions, magnetic behaviour and complex formation, while distinguishing transition elements from elements with completely filled d subshells.
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