What polyatomic ion is commonly found in basic compounds?

1 Answer
Jun 24, 2017


OH- (hydroxide ion)


The hydroxide ion, or OH-, is commonly found in basic compounds. For instance, aqueous NaOH, LiOH, and KOH are basic solutions.

The Arrhenius Acid-Base Theory states that bases are compounds that release hydroxide ions when in an aqueous solution.