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SATHISH Grade: 12
waht is arrhenus acid base theory?please explain about it ? and give examples?
one year ago

Answers : (1)

dolly bhatia
105 Points
Arrhenius theory, introduced in 1887 by Swedish scientist Svante Arrhenius, states that acids are substances that dissociate in water to yield electrically charged atoms or molecules, called ions, one of which is a hydrogen ion and that bases ionize in water to yield hydroxide ions. Hydrogen ion cannot exist alone in water solution; rather, it exists in a combined state with a water molecule, as the hydronium ion. In practice, hydronium ion is still customarily referred to as hydrogen ion.
Acidic behaviour of many acids (e.g., sodium, potassium and calcium hydroxides) is explained in terms of their ability to yield hydrogen and hydroxide ions in solution. Such acids and bases may be classified as strong or weak acids and bases depending on hydrogen ion or hydroxide ion concentration produced in solution. Reaction between an acid and a base leads to formation of a salt and water; the latter is the result of combination of a hydrogen ion and a hydroxide ion.
one year ago
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