Question

What is the effect of common ion on the pH of the weak acid?

Select one:
A. pH will become 7
B. pH will increase
C. pH will become zero
D. pH will decrease

Answer 1

Explanation:

Common Ion Effect with Weak Acids and Bases

Adding a common ion prevents the weak acid or weak base from ionizing as much as it would without the added common ion. The common ion effect suppresses the ionization of a weak acid by adding more of an ion that is a product of this equilibrium.

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