Question:medium
Which of the following does not show variable oxidation state?
Which of the following does not show variable oxidation state?
Show Hint
Look for elements with incomplete d-subshells for those exhibiting variable oxidation states.
Updated On: Jan 14, 2026
- Sc
- Mn
- Cr
- Cu
Show Solution
The Correct Option is A
Solution and Explanation
Scandium (Sc) exhibits a single, stable oxidation state of +3, unlike elements such as Mn, Cr, and Cu, which display multiple oxidation states due to readily available d-electrons.
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