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Q. Describe Coordinated octahedral complexes?
Six-coordinated octahedral complexes of the type Mubr, Ma3b3, Ma3b2c, Ma3bcd, Ma2bcd, Ma2bcde, Mabcd of would all give geometrical isomers. Systems with one or two bidentate ligands and rest monodentate would also give geometrical isomers. Thus we-see that with this geometry a large number of isomers are possible whether they can be isolated or separated is a different question which depends on so many factors. As we increase the number of different ligands, the possible number of isomers increases. For example, Mub2
type of complex would give only two isomers cis- and trans-. Similarly for Ma3b3 type of complex we again get two isomers facial (fac-) and meridional (mer-) isomers. In the former (fac-) three ligands of one type form one triangular face of the octahedron and the other three on the opposite face, Fig. (a). In the latter (mer-). one set of these ligands art arranged around an edge of the octahedron whereas the other set occupies the opposite edge as shown in Fig.(b).
The electronic configuration of four elements are given in brackets: L (1s 2 , 2s 2 , 2p 1 , ) M (1s 1 , 2s 2 , 2p 5 ) Q (1s 2, 2s 2 , 2p 6 3s 1 ,) R ( 1s 1 , 2s 2 , 2p
The freezing point of ethylene glycol is -3.2 degree-Celcius. How many grams of ethylene glycol is required in 150 L of water to achieve such temperature?
Explain stereochemistry a) The stereochemistry is E. The Br has higher priority on one carbon stereocenter, but it has lower priority on the other. b) The stereochemistry is
DNA nucleotides Adenine + Deoxy ribose sugar + Phosphate → Adenosine phosphate Guanine
Application of chemicals in Food preservatives
how condensation being done??
how is it solved?????????
Discuss the topic
Uses Trihydric alcohols (a) It is used as antifreeze in automobile radiator. (b) It is used in the preparation of good quality of soap-hand lotions shaving creams and tooth
how can we calculate it?
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