D-And F-Block Elements Ques 132
Question: Most stable oxidation state of iron is
[AFMC 1976; CPMT 1988]
Options:
A) $ +2 $
B) $ +3 $
C) $ -2 $
D) $ -3 $
Show Answer
Answer:
Correct Answer: B
Solution:
- 3 state is most stable because of half filled d sub-shell