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Why did Svante August Arrhenius win The Nobel Prize in Chemistry in 1903?
The Nobel Prize in Chemistry 1903 was awarded to Svante Arrhenius in recognition of the extraordinary services he has rendered to the advancement of chemistry by his electrolytic theory of dissociation.
Describe the major limitation of the Arrhenius theory of acids and bases?
Arrhenius's theory was limited by the fact that hydrochloric acid is neutralised by both sodium hydroxide solution and ammonia solution. In both cases, you get a colourless solution which you can crystallise to get a white salt - either sodium chloride or ammonium chloride.
What did Svante Arrhenius do?
Svante Arrhenius was a Swedish scientist known for his work in physical chemistry. He was the first to propose the theory of electrolytic dissociation, which explains how substances dissolve in water to form ions. Arrhenius also made significant contributions to the understanding of acids and bases, winning the Nobel Prize in Chemistry in 1903 for his work.
Can water be classified as an Arrhenius acid and base?
Water can act as both an acid and a base according to the Arrhenius theory. In pure form, water can ionize to produce H+ ions (acting as an acid) and OH- ions (acting as a base).
Why is the Brønsted-Lowry definition of acids more general than the Arrhenius definition?
A Brønsted-Lowry base accepts H+ ions.
Is HI a Arrhenius acid?
No, HI (hydroiodic acid) is not considered an Arrhenius acid because it does not dissociate in water to release H+ ions as defined by the Arrhenius theory.
What is a base according to Arrhenius theory?
According to Arrhenius theory, a base is a substance that dissociates in water to produce hydroxide (OH-) ions. This results in an increase in the concentration of hydroxide ions in the solution, leading to an alkaline pH.
What are the problems with Arrhenius theory?
Arrhenius theory only applies to reactions involving the transfer of ions in aqueous solutions, limiting its scope. It also does not account for non-aqueous solutions or reactions that do not involve ions. Additionally, Arrhenius theory oversimplifies the concept of acids and bases by focusing solely on the presence of hydrogen ions.
What is the definition of Arrhenius acid?
An Arrhenius acid increases [H+] in the solution.
What is the relation between Arrhenius theory and Vaunt Hoffa equation?
Arrhenius theory explains the temperature dependence of reaction rates in terms of activation energy, while Van't Hoff equation relates the equilibrium constant of a reaction to temperature changes. Both concepts involve the role of temperature in affecting the behavior of chemical reactions, with Arrhenius theory focusing on reaction rates and activation energy, while Van't Hoff equation focuses on equilibrium constants.
Why is the arrhenius theory not satisfactory for acids and bases?
The Arrhenius theory is limited because it focuses only on substances that produce H+ or OH- ions in water. It does not account for molecules that can act as acids or bases without dissociating in water, or for reactions that occur in non-aqueous solvents. Additionally, the Arrhenius theory does not explain acid-base reactions that do not involve proton transfer.
What is a salt according to Arrhenius theory?
In Arrhenius theory, a salt is a compound formed when a metal cation combines with a nonmetal anion through ionic bonding. Salts dissociate in solution to produce cations and anions, which can conduct electricity.
How are temperature and the Arrhenius theory related?
The reaction rate of a chemical reaction is dependent on temperature.
Is NA4OH a arrhenius a acid or a base?
NA4OH is a base according to Arrhenius theory, as it dissociates in water to produce hydroxide ions (OH-) which can accept protons.
What is the definition of Acid in terms of ionic theory?
ACID:(Accdg. to Arrhenius Theory) a compound that ionizes in water to form hydrogen bonds.
Why did Svante August Arrhenius win The Nobel Prize in Chemistry in 1903?
The Nobel Prize in Chemistry 1903 was awarded to Svante Arrhenius in recognition of the extraordinary services he has rendered to the advancement of chemistry by his electrolytic theory of dissociation.
Definition of acid according to arrhenius theory?
In terms of Ionic theory, an acid is a substance which liberates protons. It is also a substance which accepts electrons.
