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What is the primary reason for the color of transition metal compounds?
What is the primary reason for the color of transition metal compounds?
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What is the primary reason for the color of transition metal compounds?
Presence of unpaired electrons
Ionic bonding
Covalent bonding
High electronegativity
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The color of transition metal compounds arises from the presence of unpaired electrons and d-d transitions.
Questions & Step-by-step Solutions
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Q: What is the primary reason for the color of transition metal compounds?
Solution:
The color of transition metal compounds arises from the presence of unpaired electrons and d-d transitions.
Steps: 6
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Step 1: Understand that transition metals have electrons in their d-orbitals.
Step 2: Know that some of these d-orbital electrons are unpaired, meaning they are alone in their orbital.
Step 3: When light hits these transition metal compounds, energy can be absorbed by the unpaired electrons.
Step 4: This energy causes the unpaired electrons to jump from a lower energy d-orbital to a higher energy d-orbital. This is called a d-d transition.
Step 5: The specific colors we see are due to the particular wavelengths of light that are absorbed during these transitions.
Step 6: The remaining light that is not absorbed is what we perceive as the color of the compound.
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