HSC Science (Computer Science) 12th Board ExamMaharashtra State Board
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Explain Why is Fe3+ More Stable than Fe2+? - HSC Science (Computer Science) 12th Board Exam - Chemistry

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Question

Explain why is Fe3+ more stable than Fe2+?

Solution

Electronic configuration of Fe2+ : 1s2 2s2 2p6 3s2 3p6 3d6
Electronic configuration of Fe3+ : 1s2 2s2 2p6 3s2 3p6 3d5 
Due to the presence of half filled ‘d’ orbital, Fe3+ is more stable than Fe2+.

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APPEARS IN

 2014-2015 (October) (with solutions)
Question 7.4 | 3.00 marks
Solution Explain Why is Fe3+ More Stable than Fe2+? Concept: General Properties of the Transition Elements (D-block).
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