87.5 Theories for strong electrolyte Progress of the theories for electrolyte 1800: Nicholson and Carlisle: electrolysis of water-conductivity 1805: Grotthuss: orientation of molecules- molecular wire 1857: Clausius: embryo of dissociation [upon electrolysis 1886: vant' Hoff: colligative property-vant Hoff factor 1887: Arrhenius: dissociation and ionization -electrolyte. ion 1918: Ghosh: crystalline structure- first structure model 1923: Debye-Huckel: Debye-Huckel theory -activity coefficient 1926: Bjerrum: conjugation theory -ionic pair 1927: Onsager: Debye-Huckel-Onsager theory 1948: Robinson and stokes: solvation theory -reason for ionizationProgress of the theories for electrolyte 1800: Nicholson and Carlisle: electrolysis of water—conductivity 1805: Grotthuss: orientation of molecules – molecular wire 1857: Clausius: embryo of dissociation [upon electrolysis] 1886: vant’ Hoff: colligative property – vant’ Hoff factor 1887: Arrhenius: dissociation and ionization – electrolyte, ion 1918: Ghosh: crystalline structure – first structure model 1923: Debye-Hückel: Debye-Hückel theory – activity coefficient 1926: Bjerrum: conjugation theory – ionic pair 1927: Onsager: Debye-Hückel-Onsager theory 1948: Robinson and Stokes: solvation theory – reason for ionization §7.5 Theories for strong electrolyte