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Q. What is Pairing energy explain?
Pairing energy, P, depends mainly on the electronic distribution of the central metal ion and its value can be obtained from the atomic spectra of the element. The D0 obtained from the molecular spectra of the complex. It depends on the metal ion, ligand and the geometry of the complex. Once these two values are known for any complex, you will know whether it will be high spin or low spin and you will also be able to calculate the CFSE. Table 14.6 gives the pairing energy values ford to d7 ions of first row transition elements as well as values for a few complexes. In dl,d 2, d3, d8. d9 and dl0 systems only one configuration each is possible.
Halides and halide complexes Almost all elements create thermodynamically stable halides. The general stability sequence is F>Cl>Br>I, that in covalent compounds follows the su
Statistical experimental methods are used in product development. In order to adopt the statistical product design or experimental method, it is necessary to understand the basic c
Q. Describe about tetrahalides? S, Se, Te and Po form tetrahalides with all the halogens. However, tetrafluoride of polonium, tetrabromide of sulphur and tetraiodides of sulphu
Atomic radius (r): As we known, the corner atoms do not touch each other. But, each corner atom touches the face centered atoms with the diagonal of the face of the cube as s
how to calculate styx number
1. For what fraction of annual CO 2 emissions from fossil fuel burning are automobiles responsible? 2. A 1000-kg car travels 1.6 × 10 4 km/yr. What is the ratio of the mass of
what is the easy wet test of copper?
Calculate the ideal rM/rX ratio for cation-anion and anion-anion contacts of an octahedral arrangement of anions around a cation as show in one plane in the figure below.
Factors effecting lattice energy of ionic compound
Q. Show the Reactions of Boric Oxide? Boric oxide, B 2 0 3 , is the principal oxide of boron. It is also known as boron trioxide, boron sesquioxide and boric anhydride. It is p
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