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Would DOTA (potential chelator) or DFO have a stronger interaction with the metal ion?
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- Justify the adsorbent should be insoluble in the solvent.Why are adsorbate particles attracted and retained on the surface ofadsorbent?Compare the column material of GC and LC in terms of the “functional groups” taking place on the column surface or on the packing material? Draw chemical structure of the active groups and classify them according to their polarities.
- What are possible sources of error that may occur when performing a cyclic voltammetry experiment? How can they be improved? What are alternative methods of analysis?Question: How does the structural arrangement of metal centers influence the catalytic activity and selectivity of bioinorganic systems?Give 3 examples for inorganic binders and write their approximate calcination temperatures.
- What part does adsorption play in froth floatation for the concentration of sulphide ores and heterogeneous catalysis?What are the advantages of a dropping-mercury electrode in polarography? Why is polarography used mainly to study reductions rather than oxidations?Explain why ionic attractions are weaker in media with high dielectric constants, e. g.,water and aqueous buffers.
- How is the MnO4- ion different from the Cu2+ metal ion in regards to UV-Vis?iii. Given the copper ion radius = 0.74 Å and the chloride ion radius = 1.81 Å, does the interstitial site identified align with the radius ratio prediction for this compound? iv. What is the chemical formula for this ionic compound? Based on this formula what is theoxidation state of the copper ion? Explain your reasoning.If the stationary phase used in the given setup is silica, which is more polar? A or B?