Single Answer MCQ
Q-00004327
What happens to the concentration of hydroxide ions when excess base is added to a sodium hydroxide solution?
1
It remains the same
2
It decreases
3
It increases
4
It becomes neutral
Answer and Solution
Answer
C. It increases
Solution:
When excess base is added to sodium hydroxide, the concentration of hydroxide ions (OH-) increases since you're adding more ions to the solution.
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