Concept explainers
Interpretation:
The component of buffer solution which is capable of combining with strong acid
Concept introduction:
A solution is buffer which resists the change in
Buffer solution is of two types:
- Acidic buffer
- Basic buffer
Answer to Problem 48A
The component necessary for buffer solution is
- Weak acid and a salt of weak acid with strong base.
- Weak base and a salt of weak base with strong acid.
Example:
Explanation of Solution
It works as:
When small amount of base is added:
These hydroxyl ions are neutralised by hydrogen ions furnished by acetic acid as:
It works as:
When small amount of base is added, hydroxyl ion becomes common. So, common ion effect operates and equilibrium of ammonium hydroxide is shifted backward and thus effect of base is neutralised.
Thus,
Chapter 16 Solutions
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