Question:
Which of the following can form buffer solution?
Which of the following can form buffer solution?
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Buffer = weak acid/base + its salt.
Updated On: Mar 20, 2026
- aq. NH₃ + NH₄OH
- KOH + HNO₃
- NaOH + HCl
- KI + KOH
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The Correct Option is A
Solution and Explanation
A buffer consists of a weak base and its conjugate acid. NH₃/NH₄⁺ system satisfies this condition.
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