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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.
define packing of atoms...
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Hydrocarbon - Aliphatic Hydrocarbon Organic compounds that made up of only carbon and hydrogen are known as hydrocarbons. Hydrocarbons mainly are two kinds (1) Aliphatic Hyd
The radius of electron in the first excited state of hydrogen atom is: (1) a 0 (2) 4a 0 (3) 2a 0 (4) 8a o
How to find the equivalent weight of a compound?
#why it is caled so ..
Why do Zr and Hf show similar properties?
1. A compound whose empirical formula is CH 3 has a molar mass of 30 g/mol. What is its molecular formula? (3 points) 2. Find the molecular formula for each of the following co
Q. How to calculate Percent Yield? Ans. When you make cookies the recipe may claim to make a certain number of them, but usually in the end there are less. There might be
formation of polyfunctional compounds
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