Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
1. The complex [Co(NH3)5OH]2+ has an absorption maximum at 500 nm. What color of light is absorbed and what color is the complex?
2. Figure 22.15 shows a sample of yellow [Co(NH3)5NO2]2+. What color of light is absorbed by this complex? Predict whether this is a high-spin or low-spin complex.
(a)
Interpretation: The color of light absorbed and the color of the complex in
Concept introduction:
Colour or Visible region: The electromagnetic radiation in range of
The absorbed colours and exhibited colours are complimentary to each other.
d-to-d transition: d orbitals in a metal split into higher and lower energy orbitals by absorbing energies.
The energy increases as the wavelength of the light decreases.
(b)
Interpretation: The color of light absorbed and spin configuration (high or low) of complex
Concept introduction:
Colour or Visible region: The electromagnetic radiation in range of
The absorbed colours and exhibited colours are complimentary to each other.
d-to-d transition: d orbitals in a metal split into higher and lower energy orbitals by absorbing energies.
The energy increases as the wavelength of the light decreases.
Chapter 22 Solutions
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