General Properties Of Transition Elements
Which element of the first transition series does NOT show variable oxidation states in its common compounds?
Select the correct option:
Solution
Sc
Scandium most commonly shows +3 oxidation state because after losing three electrons it attains stable noble-gas-like configuration. Titanium, vanadium, and manganese display multiple oxidation states due to comparable energies of 3d and 4s electrons. Therefore, Sc is the element that generally does not show variable oxidation states in common compounds.
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About This Question
- Subject
- chemistry
- Chapter
- d- and f-block elements
- Topic
- general properties of transition elements
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
Sc
Scandium most commonly shows +3 oxidation state because after losing three electrons it attains stable noble-gas-like configuration. Titanium, vanadium, and manganese display multiple oxidation states due to comparable energies of 3d and 4s electrons. Therefore, Sc is the element that generally does not show variable oxidation states in common compounds.
This easy difficulty chemistry question is from the chapter d- and f-block elements, covering the topic of general properties of transition elements. It appeared in the 2025 exam.
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