Which of the following will form a buffer? O Bro with slowly added NaOH O KC2H3O2with slowly added HCI O KCIO2 with slowly added NaOH O HI with slowly added NaOH O HNO2 with slowly added HCI

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**Question:**  
Which of the following will form a buffer?

**Options:**  
- BrO⁻ with slowly added NaOH  
- KC₂H₃O₂ with slowly added HCl  
- KClO₂ with slowly added NaOH  
- HI with slowly added NaOH  
- HNO₂ with slowly added HCl  

**Explanation:**  
A buffer solution is one that resists changes in pH when small amounts of acid or base are added. Buffers typically consist of a weak acid and its conjugate base, or a weak base and its conjugate acid.
Transcribed Image Text:**Question:** Which of the following will form a buffer? **Options:** - BrO⁻ with slowly added NaOH - KC₂H₃O₂ with slowly added HCl - KClO₂ with slowly added NaOH - HI with slowly added NaOH - HNO₂ with slowly added HCl **Explanation:** A buffer solution is one that resists changes in pH when small amounts of acid or base are added. Buffers typically consist of a weak acid and its conjugate base, or a weak base and its conjugate acid.
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