iplex has an absorption max- imum at 545 nm. 23.54 As shown in Figure 23.26, the d-d transition of [Ti(H,O)6]*+ produces an absorption maximum at a wavelength of about 500 nm. (a) What is the magnitude of A for [Ti(H,O)6]3+ in kJ/mol? (b) How would the magnitude of A change if the H2O ligands in [Ti(H2O)6]3+ were replaced with NH3 ligands? 23.55 The colors in the copper-containing minerals malachite, which is green and has an empirical formula of CU2CO3 (OH)2, and azurite, which is blue and has an empirical for- mula of Cu3(CO3)2(OH)2, come from a single d-d transition in each compound. The compounds are sometimes found together in nature as shown here. (a) What is the electron configuration of the copper ion in each mineral? (b) Based on their colors, in which compound would you predict the crystal-field splitting A is larger?

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22.54 (a)

iplex has an absorption max-
imum at 545 nm.
23.54 As shown in Figure 23.26, the d-d transition of [Ti(H,O)6]*+
produces an absorption maximum at a wavelength
of about 500 nm. (a) What is the magnitude of A for
[Ti(H,O)6]3+ in kJ/mol? (b) How would the magnitude of
A change if the H2O ligands in [Ti(H2O)6]3+ were replaced
with NH3 ligands?
23.55 The colors in the copper-containing minerals malachite,
which is green and has an empirical formula of CU2CO3
(OH)2, and azurite, which is blue and has an empirical for-
mula of Cu3(CO3)2(OH)2, come from a single d-d transition
in each compound. The compounds are sometimes found
together in nature as shown here. (a) What is the electron
configuration of the copper ion in each mineral? (b) Based
on their colors, in which compound would you predict the
crystal-field splitting A is larger?
Transcribed Image Text:iplex has an absorption max- imum at 545 nm. 23.54 As shown in Figure 23.26, the d-d transition of [Ti(H,O)6]*+ produces an absorption maximum at a wavelength of about 500 nm. (a) What is the magnitude of A for [Ti(H,O)6]3+ in kJ/mol? (b) How would the magnitude of A change if the H2O ligands in [Ti(H2O)6]3+ were replaced with NH3 ligands? 23.55 The colors in the copper-containing minerals malachite, which is green and has an empirical formula of CU2CO3 (OH)2, and azurite, which is blue and has an empirical for- mula of Cu3(CO3)2(OH)2, come from a single d-d transition in each compound. The compounds are sometimes found together in nature as shown here. (a) What is the electron configuration of the copper ion in each mineral? (b) Based on their colors, in which compound would you predict the crystal-field splitting A is larger?
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