The d- and f-Block Elements · NEET Preparation Chemistry
Which of the following transition metal ions has the maximum number of unpaired electrons in aqueous solution?
Practice question from The d- and f-Block Elements (NEET Preparation Chemistry), with the correct answer and a step-by-step solution.
easy · MCQ · Q-31AD69
Which of the following transition metal ions has the maximum number of unpaired electrons in aqueous solution?
- A.Ti3+
- B.V3+
- C.Fe2+
- D.Mn2+Correct answer
Solution
Mn2+ has the outer electronic configuration , containing 5 unpaired electrons, which is the maximum possible for any first-row transition metal ion. Ti3+ has 1, V3+ has 2, and Fe2+ has 4 unpaired electrons.
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