Acid-base concepts and principles (Lewis, Brønsted, HSAB and acid-base catalysis). Post author By Miraj Ahmad Ansari Post date December 2, 2020 GATE CHEMISTRY Main Group Elements Acid-base concepts and principles (Lewis, Brønsted, HSAB and acid-base catalysis). Lesson Progress 0% Complete Previous Topic Back to Lesson Next Lesson ← Chemistry of noble gases, pseudohalogens,and interhalogen compounds. → structure and isomerism, theories of bonding (VBT, CFT, and MOT). Energy level diagrams in various crystal fields, CFSE, applications of CFT, Jahn-Teller distortion