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The observed magnetic moments of octahedral Mn3+, Fe3+, and Co3+ complexes are 4.95, 6.06, and 0.00 BM, respectively. The correct option for the electronic configuration of Mn3+, Fe3+, and Co3+ metal ions in these complexes, respectively, is
  • a)
    t32g e1g , t52g e0and t62g e0g
  • b)
    t42g e0g , t32g e2g and t42g e2g
  • c)
    t32g e1g , t32g e2g and t42g e2g
  • d)
    t32g e1g , t32g e2g and t62g e0g
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
The observed magnetic moments of octahedral Mn3+, Fe3+, and Co3+comple...
For the octahedral Mn3+, the oxidation state of Mn is +3.
  • The magnetic moment of octahedral Mn3+ is μ= 4.95 B.M.

or, n = 4
  • Thus, the number of unpaired electrons in the system is 4.
  • The ground-state electronic configuration of Mn (III) is

For the octahedral Fe3+, the oxidation state of Fe is +3.
  • The magnetic moment of octahedral Mn3+ is μ = 6.06 B.M.

or, n = 5
  • Thus, the number of unpaired electrons in the system is 5.
  • The ground-state electronic configuration of Mn (III) is

For the octahedral Co3+, the oxidation state of Co is +3.
  • The magnetic moment of octahedral Co3+ is μ = 0.00 B.M.

or, n = 0
  • Thus, the number of unpaired electrons in the system is 0.
  • The ground-state electronic configuration of Mn (III) is
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Most Upvoted Answer
The observed magnetic moments of octahedral Mn3+, Fe3+, and Co3+comple...

Explanation:

Mn3+ complex:
- The observed magnetic moment is 4.95 BM.
- The electronic configuration of Mn3+ is t32ge1g.

Fe3+ complex:
- The observed magnetic moment is 6.06 BM.
- The electronic configuration of Fe3+ is t32ge2g.

Co3+ complex:
- The observed magnetic moment is 0.00 BM.
- The electronic configuration of Co3+ is t62ge0g.

Therefore, the correct option for the electronic configuration of Mn3+, Fe3+, and Co3+ metal ions in these complexes is option 'D' which is t32ge1g, t32ge2g, and t62ge0g respectively.
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The observed magnetic moments of octahedral Mn3+, Fe3+, and Co3+complexes are 4.95, 6.06, and 0.00 BM, respectively. The correct option for the electronic configuration ofMn3+, Fe3+, and Co3+metal ions in these complexes, respectively, isa)t32ge1g,t52ge0gandt62ge0gb)t42ge0g,t32ge2gandt42ge2gc)t32ge1g,t32ge2gandt42ge2gd)t32ge1g,t32ge2gandt62ge0gCorrect answer is option 'D'. Can you explain this answer?
Question Description
The observed magnetic moments of octahedral Mn3+, Fe3+, and Co3+complexes are 4.95, 6.06, and 0.00 BM, respectively. The correct option for the electronic configuration ofMn3+, Fe3+, and Co3+metal ions in these complexes, respectively, isa)t32ge1g,t52ge0gandt62ge0gb)t42ge0g,t32ge2gandt42ge2gc)t32ge1g,t32ge2gandt42ge2gd)t32ge1g,t32ge2gandt62ge0gCorrect answer is option 'D'. Can you explain this answer? for UGC NET 2025 is part of UGC NET preparation. The Question and answers have been prepared according to the UGC NET exam syllabus. Information about The observed magnetic moments of octahedral Mn3+, Fe3+, and Co3+complexes are 4.95, 6.06, and 0.00 BM, respectively. The correct option for the electronic configuration ofMn3+, Fe3+, and Co3+metal ions in these complexes, respectively, isa)t32ge1g,t52ge0gandt62ge0gb)t42ge0g,t32ge2gandt42ge2gc)t32ge1g,t32ge2gandt42ge2gd)t32ge1g,t32ge2gandt62ge0gCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for UGC NET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The observed magnetic moments of octahedral Mn3+, Fe3+, and Co3+complexes are 4.95, 6.06, and 0.00 BM, respectively. The correct option for the electronic configuration ofMn3+, Fe3+, and Co3+metal ions in these complexes, respectively, isa)t32ge1g,t52ge0gandt62ge0gb)t42ge0g,t32ge2gandt42ge2gc)t32ge1g,t32ge2gandt42ge2gd)t32ge1g,t32ge2gandt62ge0gCorrect answer is option 'D'. Can you explain this answer?.
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