Advanced Inorganic Chemistry
Uit Chemika Examenwiki
Naar navigatie springen
Naar zoeken springen
Examenvragen
30 januari 2023
- 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?
- Octahedral crystal field
- 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
- Describe the hysteresis loop of a ferromagnetic material.
- How do polarizing power and polarizability of ions influence partial covalent bond formation of ionic compounds? What different stages can be observed between a purely ionic bond and a purely covalent bond?
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