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Chapter 19: Problem 20

Comment on the statement: Scandium does not exhibit the oxidation state of \(+\|\) as exhibited by other transition elements.

Short Answer

Expert verified
The electron configuration of Scandium is conducive for the +3 oxidation state as it prefers to lose all three of its outermost electrons. Thus, it does not exhibit the +1 oxidation state like other transition elements.

Step by step solution

01

Understand the Atomic Structure of Scandium

Scandium (Sc) is the 21st element on the periodic table. The electron configuration of Scandium is [Ar] 4s2 3d1. It means that Scandium has 2 electrons in the 4s orbital and one electron in the 3d orbital.
02

Understand Oxidation State

The oxidation state refers to the degree of oxidation of an atom in a compound. Oxidation involves the loss of electrons or an increase in oxidation state.
03

Identify Possible Oxidation State of Scandium

Scandium commonly exhibits the +3 oxidation state. This happens when Scandium loses all 3 electrons (2 from the 4s orbital and 1 from the 3d orbital), which are on its outer shells.
04

Conclusion

Scandium does not exhibit the +1 oxidation state because, during the oxidation, it prefers to lose all 3 electrons from its outer shells, hence showing the +3 oxidation state.

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