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Q. Illustrate about Werners Theory?
Based on the study of a large number of compounds. Wermer gave the following postulates:
• Metal atoms in complexes possess two types of valences namely. Principal or an auxiliary or secondary.
• Primary valencies are always satisfied by anions but the secondary valencies can be satisfied either by anions and/or neutral molecules.
• Every metal atom has a fixed number of auxiliary valencies.
The secondary valencies show directional properties. In other words secondary valencies are directed in space around the central ion.
Heterolysis bond fission or Heterolytic (i) In heterolysis bond, the covalent bond is broken in such a way that one species (that is., less electronegative) is deprived of its
some simple live chemistry projects
The concentration of hydrogen ions in solution affects the enzyme activity. Every enzyme has maximal efficiency under an optimum pH. As pH is one of the factors for the denatura
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Which of the following substances has covalent bonding: (1) Germanium (2) Sodium chloride (3) Solid neon (4) Copper Ans: Germanium
why equilibrium state attainable from either way?
Q. Example of octahedral complexes? Let us now turn our attention to the complexes having transition metal ion with d 2 or d 3 electrons. With these configurations, there are
show me mechanism of stille reactin
write the expression for the expansion work?
Experimental evidence for the existence of the atomic nucleus comes from: (1) Millikan's oil drop experiment (2) Atomic emission spectroscopy (3) The magnetic bending of
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