Question
Chemistry Question on Oxidation Number
For which of the following elements, only one oxidation state is possible?
A
Sc
B
Co
C
Ni
D
Fe
Answer
Sc
Explanation
Solution
The correct answer is option (A): Sc
For which of the following elements, only one oxidation state is possible?
Sc
Co
Ni
Fe
Sc
The correct answer is option (A): Sc