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Limitations of the Arrhenius Definition



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Alphabet, 120e, tabiiy biologik faol moddalar, 444, SOBIROVA MUSLIMA SHOKIRJON QIZI, Mavjudaxon, Servis (xizmat ko‘rsatuvchi) dasturlar-utilitlar bilan ishlash. Disklarni formatlash, defragmentatsiya qilish.
Limitations of the Arrhenius Definition

The Arrhenius definitions of acidity and alkalinity are restricted to aqueous solutions and refer to the concentration of the solvated ions. Under this definition, pure H2SO4 or HCl dissolved in toluene are not acidic, despite the fact that both of these acids will donate a proton to toluene. In addition, under the Arrhenius definition, a solution of sodium amide (NaNH2) in liquid ammonia is not alkaline, despite the fact that the amide ion (NH−2NH2−) will readily deprotonate ammonia. Thus, the Arrhenius definition can only describe acids and bases in an aqueous environment.




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