This ion is the hydroxyl -OH.
A base in solution produces hydroxide ions (OH-) as the predominant ion.
The hydroxide ion (OH-) is the only negative ion present in an aqueous solution of an Arrhenius base.
A hydroxyl ion
oxygen
When acids dissolve in water, excess hydrogen ions (H+) are produced. This is what makes the solution acidic.
A hydroxyl ion
A base in solution will produce hydroxide or OH- ions.
This is a base.
A base solution releases hydroxide ions (OH-) into the solution. These ions are responsible for the basic properties of the solution, such as the ability to neutralize acids.
The ion produced when any alkali metal is dissolved in water is the hydroxide ion (OH-). This reaction results in the formation of a strong base solution.
The hydroxide ion (OH-) is part of every base. It accepts protons (H+) in solution to produce water.
Ammonia acts as a weak base in aqueous solution because it can accept a proton from water to form the ammonium ion (NH4+) and hydroxide ion (OH-). The reaction is reversible, and only some of the ammonia molecules will accept a proton, resulting in a partial dissociation and a low concentration of hydroxide ions produced.