Final answer:
Potassium hydroxide is a strong base because it fully dissociates in water, A. easily releasing hydroxide ions. Potassium hydroxide (KOH) is a strong base because it easily releases hydroxide ions (OH-). When dissolved in water, KOH dissociates completely into K+ and OH- ions, increasing the concentration of hydroxide ions in the solution.
Step-by-step explanation:
Potassium hydroxide (KOH) is considered a strong base because when it dissolves in water, it completely dissociates into potassium ions (K+) and hydroxide ions (OH-). This complete ionization in solution is characteristic of a strong base. Wrapping up, the correct answer to why KOH is a strong base is that it easily releases hydroxide ions into the solution.