Barium hydroxide is an alkali. It reacts with hydrochloric acid. What happens to the pH of a solution of hydrochloric acid as an excess of aqueous barium hydroxide is added?
A) The pH decreases from 14 but becomes constant at 7.
B) The pH decreases from 14 to about 1.
C) The pH increases from 1 but becomes constant at 7.
D) The pH increases from 1 to about 14.
Answers
Answered by
2
Answer:
the answer will be A because it will decrease due to acidic and basic nature of both acids
Answered by
1
Answer:
(D) The pH increases from pH1 to about pH14
Explanation:
As the pH of an acid is less than 7 while the pH of a base is greater than 7
Ba(OH)
2
is basic in nature and HCl is acidic.
Hence when excess of aqueous barium hydroxide is added to hydrochloric acid, the pH of hydrochloric acid will increase from 1 to about 14.
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