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Q. Define Oxidation state of an atom?
Oxidation State: Oxidation state of an atom is defined as an apparent or formal charge on that particular atom in a molecule. In majority of the cases it is easily identified. For example, a complex [Cu (NH3)4] Cl2 has the copper ion in the oxidation state of +2 since NH3 molecules are neutral or do not carry any net charge. Note that the valence is not the same as oxidation state. We can say that in the above complex, copper shows a covalence of four and electrovalence of two. In some cases, however, it may not be easy to find out the oxidation state of the metal ion from the knowledge of the formula of the complex only. Suppose we consider a complex like [Fe(H5O)2NO]2+. We also know that NO can exist as a neutral entity having no charge or as NO- or NO+. Now if in the above compound NO is acting as a neutral molecule, the oxidation state of Fe would be +2. If NO is present as NO-, Fe would be in +3 oxidation state. Finally if it is present in the form of NO+, Fe would have +I oxidation state. Thus more information is required before the Oxidation State of the metal ion can be decided.
Liquid-liquid extraction is used to separate acetone and MIBK. A mixture of acetone and MIBK is fed to a mixing tank at a rate of 100 kg/min. Pure water is also fed to the tank and
Q. Reactions with metals? Ans. Halogens commonly undergo reactions with metals. Halogens react with the alkali metal family, Group IA in the periodic table. For example,
Explain the Electrode reactions and the cell reaction? A cell diagram, with its designation of the left and right electrodes, allows us to write reaction equations for the cell
Types of interferences - Atomic absorption spectrophotometry: Three types of interferences viz., chemical, spectral and physical interferences are encountered in AAS. These re
How do i calculate the number of grams of CO that can react with .150kg of Fe2O3?
Q. Illustrate Aromatics compounds? Ans. Benzene (C 6 H 6 ) is the prototype of an important class of hydrocarbons called aromatic compounds. Benzene is a ring of 6 carbon
Natural gas, which we can assume is 100% methane, is combusted to generate electricity at a power plant. This is becoming increasingly popular as an NGCC process (Natural Gas Comb
When heated calcium hydroxide as well as ammonium chloride reacts to produce water vapor ammonia gas and solid calcium chloride. Presume 5.00g of calcium hydroxide as well as 10.00
Q. Consumption of marine oils results in: Consumption of marine oils result in decrease in plasma lipids by reduced synthesis of fatty acids and low density lipoproteins.
why He and H cannot liqueified by linde''s method
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