Which of the following is considered to be a strong base (alkali)?
A) HCl → H⁺ + Cl⁻
B) NH₃ + H⁺ ⇔ NH₄⁺
C) H₂CO₃ ⇔ HCO₃- + H⁺
D) NaOH → Na⁺ + OH⁻

Question

Quizplus · Accepted Answer

NaOH is considered a strong base because it dissociates completely into its ions (Na⁺ and OH⁻) in water, thus releasing a high concentration of hydroxide ions. Choices A and C are acids, and choice B is a weak base because the reaction is reversible and does not completely dissociate into ions.

Which of the Following Is Considered to Be a Strong