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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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14y ago
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9y ago

According to Arrhenius, a base was any substance that produced hydroxide ions in water. They neutralized acids because the hydroxide ion combined with the hydrogen ion to form water.

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Q: Define a base according to arrhenius theory?
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Related questions

What is a base according to Arrhenius theory?

A base is the measure of the amount of hydroxide ions, according to the arrhenius theory.


Who was the first person to define an acid and base in chemical terms?

Svante Arrhenius


What is true of an Arrhenius's base?

An Arrhenius base produces OH- ions.


What is true of Arrhenius base?

An Arrhenius base produces OH- ions.


What is formed from the neutralization of an Arrhenius acid with an Arrhenius base?

Arrhenius water.


According to the Arrhenius concept if NaOH were dissolved in water it would act as?

A Base =)


What happens in a acid base reaction according to the Arrhenius definition?

An acid donates an H+ and a base donates an OH


What happens in an acid-base reaction according to the Arrhenius definition?

An acid donates an H+, and a base donates an OH-.


What is true of an arrhenius?

An Arrhenius base produces OH- ions.


An arrhenius acid is an bronsted lowry acid bt an arrhenius base is NT a bronsted lowry base?

no, arhenious base is also a bronsted lowry base


What are acidic bases?

Arrhenius acid: adds H+ to solution when ionized. Arrhenius base: adds OH- to solution when ionized. NH3 is a base, so you may want to check out the Bronsted-Lowry theory or the Lewis theory.


What are acids and bases according to Arrhenius?

According to Arrhenius, acids produce a proton in aqueous solution, and bases produce a hydroxide ion in aqueous solution. Hydrochloric acid is an Arrhenius acid because it gives up its proton as it dissolves in water. Sodium hydroxide is an Arrhenius base because it gives up its hydroxide as it dissolves in water.