Answer all of the following about colours and UV-Visible Spectra. a) The very idealized UV-Visible Spectrum of a violet solution of [Sc(H2O)6]** is shown: 3. wavelength A chemist carries out the following reaction: [Sc(H2O)6]* + Z → → yellow solution [ScZ6]* (n depends on Z) Is Za solution of NH3 or a solution of NaBr? Justify your answer. Predict the shift (if any) in the UV-Visible Spectrum for [ScZs]". Justify your answer. b) The following hydroxide species are all known: Mn(OH)4² Co(OH)4 Zn(OH) Assign a colour to each species. Possible choices: blue, red, colourless Note: some choices may be used more than once, some not at all. Justify vour answer for any one of the species

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Answer all of the following about colours and UV-Visible Spectra.
a) The very idealized UV-Visible Spectrum of a violet solution of [Sc(H2O)6]** is
shown:
3.
wavelength
A chemist carries out the following reaction:
[Sc(H2O)s]* + Z
yellow solution [ScZe]* (n depends on Z)
Is Za solution of NH3 or a solution of NaBr? Justify your answer.
Predict the shift (if any) in the UV-Visible Spectrum for [ScZ6]". Justify
your answer.
b) The following hydroxide species are all known:
Mn(OH)42 Co(OH)4 Zn(OH).
• Assign a colour to each species. Possible choices: blue, red, colourless
Note: some choices may be used more than once, some not at all.
Justify your answer for any one of the species.
Transcribed Image Text:Answer all of the following about colours and UV-Visible Spectra. a) The very idealized UV-Visible Spectrum of a violet solution of [Sc(H2O)6]** is shown: 3. wavelength A chemist carries out the following reaction: [Sc(H2O)s]* + Z yellow solution [ScZe]* (n depends on Z) Is Za solution of NH3 or a solution of NaBr? Justify your answer. Predict the shift (if any) in the UV-Visible Spectrum for [ScZ6]". Justify your answer. b) The following hydroxide species are all known: Mn(OH)42 Co(OH)4 Zn(OH). • Assign a colour to each species. Possible choices: blue, red, colourless Note: some choices may be used more than once, some not at all. Justify your answer for any one of the species.
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