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Some, , importanttheories are, (a) lonic and covalent bond theory: According to this theory, ionic bond is formed by the interaction of hard acids and hard bases, soft, bond is formed by the interaction of soft acids and, bases. The electrostatic force of attraction between two oppositely, 1he, ions is, proportional to the internuclear distance., whereas covalent, , inversely, charged, internuclear distance will be less in the case of smaller ions. Therefore,, an, the electrostatic The HSAB concept is an acronym for 'hard and soft acids and bases'. Also known as the Pearson acid base concept, HSAB is widely used in chemistry for explaining stability of compounds, reaction mechanisms and pathways.It assigns the terms 'hard' or 'soft', and 'acid' or 'base' to chemical species. 'Hard' applies to species which are small, have high charge states (the charge criterion applies Using Pearson's Hard and Soft Acid and Bases (HSAB) theory (Pearson, 1963), chemical hardness can be rationalized as follows: as the chemical hardness of a molecule increases, its stability HSAB Theory. The HSAB concept is an acronym for "hard and soft (Lewis) acids and bases". Also known as the Pearson acid base concept, HSAB is widely used in chemistry for explaining stability of compounds, reaction mechanisms and pathways.It assigns the terms 'hard' or 'soft', and 'acid' or 'base' to chemical species. 'Hard' applies to species which are small, have high charge states (the HSAB theory. About: HSAB theory is a(n) research topic. Over the lifetime, 459 publication(s) have been published within this topic receiving 22063 citation(s). The topic is also known as: Hard-Soft-Acid-Base & Pearson acid base concept. read more. Share. Papers PDF. Open Access. Year Type Authors Institutions More. Sort by: Citation Count. 459 results found. Journal Article • DOI: 10. Die HSAB-Theorie ist auch nützlich, um die Produkte von Metathesereaktionen vorherzusagen. 2005 wurde gezeigt, dass auch die Empfindlichkeit und Leistungsfähigkeit von explosiven Stoffen auf Basis der HSAB-Theorie erklärt werden kann. Ralph Pearson führte das HSAB-Prinzip Anfang der 1960er Jahre als Versuch ein, die anorganische und organische Reaktionschemie zu vereinen. HSAB concept is a jargon for "hard and soft (Lewis) acids and bases".HSAB is widely used in chemistry for explaining stability of compounds, reaction mechanisms and pathways. It assigns the terms 'hard' or 'soft', and 'acid' or 'base' to chemical species. 'Hard' applies to species which are small, have high charge states (the charge criterion applies mainly to acids, to a lesser extent to According to soft and hard acid-base theory [25], the solution containing Hg 2+ is a soft acid, which is prone to covalent bonding with a soft base. Thiols is a soft base, and can independently View applications-of-HSAB-Principle-assignment(1).pdf from EEE 114 at Bangladesh University of Engineering & Technology. APPLICATIONS OF HSAB PRINCIPLE NAME: Md. Mizanur Rahman Student ID: HSAB concept is an initialism for "hard and soft acids and bases". to HSAB principle hard prefers hard and soft prefers soft. Hence Soft acids have tendency to combine with the centre which is asso