The Free Dictionary describes a complexation reaction as a chemical reaction between a ligand and a metal ion. A ligand is an ionic entity with at least one atom that contains an unshared pair of electrons. More » Science Chemistry Atoms & Molecules

One of the most common types of complexometric titrations involves using EDTA as the testing reagent. Other chelating agents such as EGTA and CDTA can be used. A specific metal ion titrant and indicator can be used in so... More » Science Chemistry

Binary ionic compounds are formed by the reaction between positive and negative ions of two different elements only and where the positive ion has two different forms or charges. Iron can have two different forms or char... More » Science Chemistry Atoms & Molecules
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The addition of a metal ion, or cation, to a carboxylate anion forms a salt. When carboxylic acids dissolve in water, they form the carboxylate anion and hydrogen cations, which lower the pH of the solution. More » Science Chemistry Atoms & Molecules

The strength of attraction for a metal ion is dependent on several factors. The ionic charge can be determined by how many valence electrons it donated and the element's position on the periodic table. It is more common ... More » Science Chemistry Atoms & Molecules

The combination of HCl and MgO causes a chemical reaction that gives the products MgCl2 and H2O. The balanced equation for this reaction is 2HCl + MgO - MgCl2 + H2O. More » Science Chemistry Atoms & Molecules

A chemical property is a characteristic associated with a substance or reaction that is observable as it chemically changes or transforms into another substance. This chemical change produces a product that has a differe... More » Science Chemistry Atoms & Molecules