ion exchange resin

Giant organic molecules having acidic or basic groups are known as Ion-exchange resins. Acid resins contain the acid group (- COOH). Basic resins contain the basic group [(-NH )OH - ], i.e., substituted ammonium hydroxide group. Acid and basic ion ..

Where labile (unstable) ions are used as adsorben..

In an atom, the electrons present in various orbitals of the same subshell tend to exchange their positions which is associated with very small amount of energy. Half-filled and completely filled subshell configurations allow maximum exchange of electrons to take place. Therefo..

. The water treated by ion-exchange process not only becomes soft but also free from all dissolved mineral impurities. It gets completely demineralize..

>Zeolites as ion-exchange materials have been replaced by synthetic cationic and anionic exchange resins, but their use as selective adsorbents for gases or liquids is extensive. The zeolites act as molecular sieves for the reactants. To achieve this, zeolites are heat..

These are biological filtration and activated sludge process. In particular cases, the processes such as carbon adsorption, oxidation and reduction, ion exchange, reverse osmosis, electro dialysis, etc., are also use..

>Alveoli form the respiratory surface where the gases are exchanged with the blood coming from the heart. The purified blood goes back to the heart. The oxygen is transported to the different parts of the body through the circulatory system. The red blood cells in the blood have pigments ..

Compounds, which give different ions in solution although they have same composition are called ionization isomers. There is an exchange in groups between the coordination sphere of the metal ion and ions outside the sphere. Example: ..

In such a reaction, two compounds exchange their ions to form two new compounds. It can be represented by a general equation. ..

Shape-selective catalysis are those reactions that depend on the pore structure of the catalyst and the size of the reactant and product molecules. In such reactions, zeolites are used as catalysts. Zeolites are microporous aluminosilicates of the general formula M x / n [(AlO 2 ) x (SiO ..