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1. (a) Reacting Pt2+ with two equivalents of each of the ligands NO2- and en, it is possible to prepare several complexes that could be described as both geometric and optical isomers of each other. Explain.
(b) What other type of isomerism might one envisage arising from the reaction given in (a)? 2. The aquated Cr2+ ion is sky blue in colour. If you were to obtain its UV-VIS spectrum, in what wavelength range will you expect this complex to absorb? Explain your reasoning. 3. (a) Determine the crystal field stabilization energy (CFSE) for the high and low spin complexes of an octahedral Co2+ metal complex. Make sure to include with your answer the energy for electron pairing as well.
(b) Identify which spin state is preferred based solely on the CFSE's. (c) Explain why though there is a preference for one over the other both cases are still possible.
Amongst the following covalent bonding is found in: (1) Sodium chloride (2) Magnesium chloride (3) Water (4) Brass Ans: Water
Q. Explain Preservation by Preservatives? Preservatives, as you may already know, belong to a class of food additives that extend shelf life by inhibiting microbial growth, o
Many ionic crystals dissolve in water because: (1) Water is an amphiprotic solvent (2)Water is a high boiling liquid (3) The process is accompanied by a positive heat of
What do you understand by molar conductivity at infinite dilution
The two chair conformations of cis-1,3-dimethylcyclohexane
Q. What is the Structure of diborane? The structure of diborane is of great interest since it cannot be explained on the basis of simple theories of bonding. As mentioned earli
instrumentation and applications of radiometric titration
Q. General Characteristics of the f-block? You know that the 14 elements from cerium (Z = 58) to lutetium (Z = 71), which follow lanthanum (Z = 57) in the periodic table, are k
What is the net flux of the uniform electric field of Exercise 1.15 through a cube of side 20 cm oriented so that its faces are parallel to the coordinate planes?
Conditioning The grain is conditioned to desired moisture content by the addition of water. The purpose of conditioning is to make the bran and germ pliable, thus preventing
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