Advanced Inorganic Chemistry: verschil tussen versies
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| Regel 3: | Regel 3: | ||
[[Categorie:Machemie]] | [[Categorie:Machemie]] | ||
=== 18 augustus 2022 === | |||
#What is the mechanism of sensitized lanthanide luminescence? Use a scheme to illustrate this mechanism. | |||
#Xenon fluoride reactions | |||
#*a) Discuss the synthesis and reactivity of xenon fluorides. | |||
#*b) Why is it easier to prepare xenon compounds than argon compounds? | |||
#*a) How do p-orbitals and d-orbitals split in an octahedral crystal field? | |||
#*b) Determine the ligand field stabilization energy LFSE for the following octahedral metal complexes (a) d3 (b) high-spin d5 (c) high-spin d6 (d) low-spin d6 (e) d9 | |||
=== 18 augustus 2022 === | === 18 augustus 2022 === | ||
#What is the mechanism of sensitized lanthanide luminescence? Use a scheme to illustrate this mechanism. | #What is the mechanism of sensitized lanthanide luminescence? Use a scheme to illustrate this mechanism. | ||
| Regel 11: | Regel 19: | ||
#Give 5 examples that illustrate the anomalous chemical behavior of lithium compared to the other alkali metals. | #Give 5 examples that illustrate the anomalous chemical behavior of lithium compared to the other alkali metals. | ||
#What are the main later developments of the periodic system after Mendeleev’s contributions in 1869–1870? | #What are the main later developments of the periodic system after Mendeleev’s contributions in 1869–1870? | ||
=== 28 januari 2020 - VM=== | === 28 januari 2020 - VM=== | ||
#Periodiek systeem | #Periodiek systeem | ||
Versie van 30 jan 2023 17:19
Examenvragen
18 augustus 2022
- What is the mechanism of sensitized lanthanide luminescence? Use a scheme to illustrate this mechanism.
- Xenon fluoride reactions
- a) Discuss the synthesis and reactivity of xenon fluorides.
- b) Why is it easier to prepare xenon compounds than argon compounds?
- a) How do p-orbitals and d-orbitals split in an octahedral crystal field?
- b) Determine the ligand field stabilization energy LFSE for the following octahedral metal complexes (a) d3 (b) high-spin d5 (c) high-spin d6 (d) low-spin d6 (e) d9
18 augustus 2022
- What is the mechanism of sensitized lanthanide luminescence? Use a scheme to illustrate this mechanism.
- Xenon fluoride reactions
- a) Discuss the synthesis and reactivity of xenon fluorides.
- b) Why is it easier to prepare xenon compounds than argon compounds?
- Determine the ligand field stabilization energy LFSE for the following octahedral metal complexes (a) d3 (b) high-spin d5 (c) high-spin d6 (d) low-spin d6 (e) d9
- Give 5 examples that illustrate the anomalous chemical behavior of lithium compared to the other alkali metals.
- What are the main later developments of the periodic system after Mendeleev’s contributions in 1869–1870?
28 januari 2020 - VM
- Periodiek systeem
- a) Periodic trends in MV, density, IE en electronegativiteit
- b) Bespreek La vs Lu in IIIb
- Lanthanide-contractie
- a)Trend in ion en atoomradius van lanthaniden
- b) Waarom 4d en 5d metalen gelijkaardige eigenschappen hebben
- Solvents
- a) Manieren om non-aqueous solvent op te delen (protisch vs aprotisch - donor vs acceptor)
- b) wat zijn donor- en acceptor solvents?
- c) Hoe geeft men donorsterkte kwantitatief weer?
- d-blok metalen
- a) Jahn Teller-effect
- b) Waarom d3 en d8 uitgesproken octahedrisch zijn
- CT
- a) Wat zijn charge transfer bands?
- b) Vergelijk LMCT en MLCT
- c) welke d-metaal-complexen vertonen CT-bands?
- d) Hoe kan je CT-bands waarnemen?
- e) Welke lanthaniden vertonen CT en waarom?
Datum
- Vraag 1
- Vraag 2
- Deelvraag 1
- Deelvraag 2
- Deelvraag 3
- Vraag 3