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- Engineering
- Which of the following oxidation states of Bi is most stable?Option: 1 +3Option: 2 +1<
- #VIT Engineering Entrance Exam
- #Class 11
- #Classification of Elements and Periodic table
- #Engineering
- #Chemistry
Which of the following oxidation states of Bi is most stable?
Option: 1
+3
Option: 2
+1
Option: 3
+5
Option: 4
0
Answers (1)
+3 oxidation state of Bi is more stable than +5 oxidation state due to inert pair effect. This is because d & f orbitals in the penultimate shells do not shield the S electrons effectively, so they are tightly bounded by nucleus therefore +3 is more stable than +5 oxidation state of Bi.
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