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According to the Arrhenius model, an acid is any substance that produces hydrogen ions (H+) in a water solution, and a base is any substance that produces hydroxide ions (OH-) in a water solution. For example:
NaOH ------> Na+ + OH-
In this equation, NaOH dissolves in water producing a sodium ion (Na+) and a hydroxide ion (OH-), and thus it is a base.
CH2O2 ------> CHO2- + H+
H+ + H2O ------> H3O+
in these two reactions, formic acid (CH2O2) dissolves in water to produce a formate ion (CHO2-) and a hydrogen ion (H+), which immediately attaches to a water molecule to form a hydronium ion (H3O+), and thus is an acid.
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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.
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 true of an arrhenius?
An Arrhenius base produces OH- ions.
Is CH3OH an Arrhenius base?
No, CH3OH (methanol) is not an Arrhenius base. It is a weak acid.
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 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.
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.
Who was the first person to define an acid and base in chemical terms?
Svante Arrhenius
What is true of an arrhenius?
An Arrhenius base produces OH- ions.
What is formed from the neutralization of an Arrhenius acid with an Arrhenius base?
Salt and water are formed from the neutralization of an Arrhenius acid with an Arrhenius base.
What is true of an Arrhenius's base?
An Arrhenius base produces OH- ions.
Is CH3OH an Arrhenius base?
No, CH3OH (methanol) is not an Arrhenius base. It is a weak acid.
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 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 happens in a acid base reaction according to the Arrhenius definition?
An acid donates an H+ and a base donates an OH
What happen in an acid base reaction according to the arrhenius defention?
In an acid-base reaction according to the Arrhenius definition, acids produce H+ ions in solution, while bases produce OH- ions. When an acid and a base react, the H+ ion from the acid combines with the OH- ion from the base to form water.
Is Ba(OH)2 classified as an Arrhenius acid or base?
Ba(OH)2 is classified as an Arrhenius base.
