How Do You Spell ARRHENIUS DOCTRINE?

Pronunciation: [ɐrhˈiːnɪəs dˈɒktɹɪn] (IPA)

The Arrhenius doctrine, also known as the Arrhenius theory, is a scientific theory proposed by Svante Arrhenius in 1884. The theory explains the behavior of electrolytes in aqueous solutions and provides insight into the process of acid-base chemistry. The word "Arrhenius" is spelled /ɑːrˈiːniəs/ in IPA phonetic transcription. The first syllable is pronounced like "are," the second is pronounced like "ee," and the last three syllables are pronounced like "nee-us." The correct spelling of the word is important for accurately discussing Arrhenius's contributions to science.

ARRHENIUS DOCTRINE Meaning and Definition

1. The Arrhenius doctrine is a scientific principle named after Swedish chemist Svante Arrhenius. It refers to a specific concept within physical chemistry, explaining the behavior of acids and bases in solutions. According to the Arrhenius doctrine, an acid is a substance that releases hydrogen ions (H+) when dissolved in water, while a base is a substance that releases hydroxide ions (OH-) when dissolved in water.

   This theory further states that when an acid and a base are combined, they undergo a neutralization reaction where the hydrogen ions from the acid combine with the hydroxide ions from the base to form water (H2O). This reaction also leads to the formation of a salt, which is a compound formed from the combination of a metal with an acid.

   The Arrhenius doctrine provided a significant theoretical foundation for understanding the behavior of acids and bases, allowing for the development of concepts such as pH, which measures the concentration of hydrogen ions in a solution. Additionally, it laid the groundwork for subsequent theories of acid-base chemistry, such as the Brønsted-Lowry and Lewis definitions.

   Overall, the Arrhenius doctrine is a fundamental concept in chemistry, elucidating the fundamental behavior of acids, bases, and their interactions in aqueous solutions.

2. The doctrine of ionization, or electrolytic dissociation; in an electrically conductive solution free ions are present before electrolysis, and the proportion of molecules dissociated into ions can be calculated from measurements of electrical conductivity as well as of osmotic pressure.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

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Etymology of ARRHENIUS DOCTRINE

The term "Arrhenius doctrine" refers to the theory proposed by Swedish chemist Svante Arrhenius, who was awarded the Nobel Prize in Chemistry in 1903. The doctrine itself is related to the concept of electrolytic dissociation, which describes the behavior of substances in solution and their ability to conduct electricity.

The etymology of the word "Arrhenius" is, as with many scientific terms, derived from the name of the scientist who proposed it. Svante Arrhenius is credited with formulating the electrolytic dissociation theory, which was a significant breakthrough in understanding the behavior of electrolytes in solution. The doctrine was named after Arrhenius due to his role in developing and promoting this theory.