What is the primary factor that determines the color of transition metal complex

What is the primary factor that determines the color of transition metal complexes?

What is the primary factor that determines the color of transition metal complexes?

Step 1: Understand that transition metals have d-orbitals, which are energy levels where electrons can be found.
Step 2: Know that when transition metals bond with other molecules (called ligands), the d-orbitals split into different energy levels.
Step 3: Realize that different types of ligands cause different amounts of splitting in the d-orbitals.
Step 4: Learn that the amount of splitting affects how much energy is needed for an electron to jump from a lower d-orbital to a higher one.
Step 5: Understand that when electrons jump between these split d-orbitals, they absorb certain wavelengths of light.
Step 6: Know that the color we see is the complementary color of the light that is absorbed.

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