MDCAT
Chemistry
2021
Chemistry · D and f Block Elements
Work through this past-paper style MCQ, then read the full explanation. Practice more chemistry questions on mMCQ with adaptive practice and topic analytics.
Question
Sc mostly exist in which of the following oxidation state?:
Options
- A
2
- B
1
- C
3
- D
0
Explanation
Reason: Scandium has multiple oxidation states but the most common one is +3.
Usually, elements of group 2 have oxidation state 2. I.e Ca.
Usually, elements of group 1 have a +1 oxidation state.
Scandium has oxidation state 3 as it belongs to group 3.
Neutral compounds have a 0 Oxidation State.
Tagged under Chemistry · D and f Block Elements · 2021