KOH, also known as potassium hydroxide, is a strong base. It is classified as a strong base because it completely dissociates in water to form potassium ions (K+) and hydroxide ions (OH–). This complete dissociation means that KOH can effectively neutralize acids and has a high pH when dissolved in water.
In contrast, a weak base only partially dissociates in water, resulting in a lower concentration of hydroxide ions. Since KOH fully dissociates, it is considered a strong base rather than a weak base. It is not classified as an acid, whether strong or weak, because it does not donate protons (H+) in solution.
In summary, KOH is a strong base due to its complete dissociation in water, making it highly effective in neutralizing acids and increasing the pH of a solution.