Question

Ans. Step 1: Determine wavelength of absorbed light:

The color of light being absorbed is OPPSOITE to the color being transmitted (perceived by our eyes) in the color wheel.

So,

Color of absorbed light = blue-violet (opposite to yellow-orange)

And, wavelength of absorbed light = 430 nm (opposite to 580 nm)

# Step 2: Determine crystal field splitting energy (CFSE)

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