MCQ
Buffer solution is prepared by mixing :
- AStrong acid $+$ its salt of strong base.
- ✓Weak acid $+$ its salt of strong base.
- CStrong acid $+$ its salt of weak base.
- DNone of the above.
✓
Answer
Correct option: B.
Weak acid $+$ its salt of strong base.
Acidic buffer solution is prepared by mixing a weak acid and its salt with strong base.
Fro example, a mixture of acetic acid $($a weak acid$)$ and sodium acetate $($salt with strong base sodium hydroxide$)$ acts as buffer.
Fro example, a mixture of acetic acid $($a weak acid$)$ and sodium acetate $($salt with strong base sodium hydroxide$)$ acts as buffer.
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