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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.
Q. Mention the sampling stages of shelf life evaluation? The sampling stages of shelf life evaluation are: Experimental kitchen or pilot plant batch, full scale factory batch a
Which of the following sequence is correct as per Aufbau principle: (1) 3s (2) 1s (3) 2s (4) 2s Ans: 1s
a) During coagulation, the colloidal particles stay un-aggregated because: b) The aim during water softening is to precipitate calcium and magnesium as calcium carbonate and mag
Waxes - Carboxylic acids Waxes are the esters of higher fatty acids along with higher monohydric alcohols. The acids and alcohols generally found in waxes are palmitic, cerotic
Vapour phase cracking - Hydrocarbon In this method, gas oil or kerosene oil is vaporized in vapour phase. The temperature is reserved 600 - 800 o C and the pressure is approxim
Given that the solubility product of calcium fluoride in water at 298K is 0.00000000004.Calculate the solubility of this calcium fluoride at this temperature. Assume the Debye-Huck
The only nonradioactive isotope of fluorine has 9 protons and 10 neutrons. a. What is its mass number. b. Write the full symbol of this atom.
how to calculate the styx code for the borane atom?
Strategy 3 Two levels of wheat flour 3960g and 3940g and two levels of baking powder 60g and 40g are selected to be tested. In all trials the percentages of A, B and C are fix
(a) Write chemical equations for the reactions of glucose with (i) Acetic anhydride and (ii) ammoniacal silver nitrate solution. (b) Draw simple Fischer projections of D-g
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