Online Chemistry Notes for Students
Anupama Sapkota
Definition of Lewis Acids and Bases Gilbert Newton Lewis (American, 1923) put forward a broader concept of acids and bases on the basis of electron transfer. This concept is called the Lewis concept. Lewis’s concept eliminates the necessity of the presence of hydrogen in acid, and it accepts not only Arrhenius and Bronsted-Lowry concept but … Read more
Differences between Acid and Base Image Source: Pinterest Basis Acid Base Arrhenius concept An acid is a substance that produces hydrogen ion (H+) as the only positive ion when mixed with water. A base is a substance that produces hydroxyl ion (OH–) as the only negative ion when mixed with water. Bronsted-Lowry Concept An acid … Read more
Cation Definition A cation is an atom or a group of atoms bearing one or more positive electric charges. Cations are formed in various ways, some of which are: When electrons are removed from neutral atoms or ions or other molecules. By the combination of positive ions with other molecules. By rupture of covalent when … Read more
Solute Definition A solute is a substance that is added to a solvent to form a solution. The solute can exist in all three forms of matter as solid, liquid, or gas. In a homogenous mixture, the solute completely dissolves in another substance, and the solute is uniformly distributed throughout the solution. In a heterogeneous … Read more
