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Potassium hydroxide is classified as an Arrhenius base because KOH contains(1) OH- ions (2) O2- ions (3) K+ ions (4) H+ ions

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lulu1991
The answer is (1)OH- ions. The base has more OH- ions while the acid has more H+ ions. And if you dissolve them into water, the pH of the solution is also different. Base has pH>7 and acid has pH<7 at room temperature.

Answer : The correct option is, (1) [tex]OH^-[/tex] ions.

Explanation :

According to the Arrhenius concept, an acid is a type of substance which ionizes in water to gives [tex]H^+[/tex] ions (hydronium ions or hydrogen ions) and a base is a type of substance which ionizes in water to gives [tex]OH^-[/tex] ions (hydroxide ions).

As we know that KOH is a base which ionizes in water to gives [tex]OH^-[/tex] ions (hydroxide ions) and [tex]K^+[/tex] ions.

Hence, potassium hydroxide is classified as an Arrhenius base because KOH contains [tex]OH^-[/tex] ions.

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