Inorganic Chemistry Answers

(a) In what ways are 31P NMR spectroscopic techniques similar and different to 1H/13C
variants?
(b) What do you understand to be the benefit of isotopic enrichment in NMR?

Describe the properties of 3D-network aluminosilicates that lead to their widespread industrial
utility.

(a) Give a brief account of the platinum complexes that are useful in cancer therapy.
(b) Provide reaction pathways to show how to prepare all the isomers of
[PtCl(CN)(Ph)(PMe3)] from [PtCl4]2-
.
(c) How would you apply 13CNMR and infrared spectra to identify these isomers?

Suppose you needed to have 500.0 Kg of gold, use five (5) of the words from the word bank above to explain how you would make sure that you were able to produce the required amount. Note, you should not be doing any calculations, explain what you would need to do.

to prepare a buffer solution with a ph of 5.10 please calculate how many ml of naoh solution be added to 500ml of HAC solution? (hac=4.75)

A sample of helium saturated with water vapour exerts a total pressure of 103.17 kPa. If the pressure of the helium is 99.39 kPa, what is the temperature?

Using molecular orbital theory, determine the electronic structure of the first
excited electronic state of N2. What differences are expected in the properties of
the excited state of N2 compared with the same properties of the ground state?

Magic numbers are associated with protons and neutrons in a nucleus. State the
magic numbers for protons and neutrons, and give two evidences to support the
existence of these magic numbers

What is the maximum number of electrons that can be accommodated in each of the following?
i) n = 3
iii) a 4d subshell
iv) a 2p orbital
iv) n = 3, l = 0, ml = 0, and ms = - ½

Deduce the group that is obtained by adding or deleting the indicated symmetry operation from each of the following groups.
a. C3 + i
b. C3v + i
c. C5v + σh
d. D. S6 – i
e. Td+ i
f. C3 + S6