**Question:**A metal ion in a high-spin octahedral complex has two more unpaired electrons than the same ion does in a low-spin octahedral complex. Which of the following could the metal ion be?1. Ti²⁺2. Cu²⁺3. Mn²⁺4. Co³⁺5. Co²⁺**Discussion:**In octahedral complexes, the arrangement of electrons depends on whether the complex is high-spin or low-spin. High-spin complexes occur when the crystal field splitting energy (Δ₀) is less than the pairing energy, leading to a larger number of unpaired electrons. Conversely, low-spin complexes occur when the crystal field splitting energy (Δ₀) is greater than the pairing energy, resulting in fewer unpaired electrons.To determine which metal ion is described:- High-spin octahedral complexes will have more unpaired electrons compared to low-spin octahedral complexes.- The difference in unpaired electrons between high-spin and low-spin states must be two.**Solution Explanation:**1. **Ti²⁺** (3d²): - High-spin: 2 unpaired electrons - Low-spin: Not applicable (no significant difference in a 3d² configuration)2. **Cu²⁺** (3d⁹): - High-spin: 1 unpaired electron - Low-spin: 1 unpaired electron (no difference)3. **Mn²⁺** (3d⁵): - High-spin: 5 unpaired electrons - Low-spin: 1 unpaired electron - Difference: 4 unpaired electrons (not 2, so it doesn't fit)4. **Co³⁺** (3d⁶): - High-spin: 4 unpaired electrons - Low-spin: 2 unpaired electrons - Difference: 2 unpaired electrons (fits the condition)5. **Co²⁺** (3d⁷): - High-spin: 3 unpaired electrons - Low-spin: 1 unpaired electron - Difference: 2 unpaired electrons (also fits the condition)From the given options, Co³⁺ and Co²⁺ meet the criteria where the high-spin state has two more unpaired electrons than the low-spin state. **Correct Answer:

Answered: Image /qna-images/answer/4bab9a98-54f6-4246-bf6c-d4a83f681ed2.jpg

A metal ion in a high-spin octahedral complex has two more unpaired electrons than the same ion does in a low-spin octahedral complex. Which of the following could the metal ion be? 1. Ti²+ 2. Cu²+ 3. Mn2+ 4. CO³+ 5. Co²+

A metal ion in a high-spin octahedral complex has two more unpaired electrons than the same ion does in a low-spin octahedral complex. Which of the following could the metal ion be? 1. Ti²+ 2. Cu²+ 3. Mn2+ 4. CO³+ 5. Co²+

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.

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