Question

Which of the following characterizes a weak base?

A. It binds a little OH- and has a weak effect on pH.
B. It binds a lot of OH- and has a strong effect on pH.
C. It binds a little H+ and has a weak effect on pH.
D. It resists changes in OH-.
E. It lowers the pH.

Answer 1

A weak base is a base that ionizes only slightly in an aqueous solution, while a strong base fully ionizes in solution.

Step-by-step explanation:

A weak base is a base that ionizes only slightly in an aqueous solution. It accepts H+ ions from water, forming hydroxide ions and its conjugate acid. For example, when NH3 (ammonia) is dissolved in water, it accepts an H+ ion to form NH4+ (ammonium ion) and OH- (hydroxide ion). In contrast to weak bases, strong bases fully ionize in solution.