Which of the following pairs consitutes buffer?A. `HNO_(3)` and `NH_(4)NO_(3)`B. `HCl` and `KCl`C. `HNO_(2)` and `NaNO_(2)`D. `NaOH` and `NaCl`

Which of the following pairs consitutes buffer?A. `HNO_(3)` and `NH_(4

1.	Which of the following pairs consitutes buffer?A. `HNO_(3)` and `NH_(4)NO_(3)`B. `HCl` and `KCl`C. `HNO_(2)` and `NaNO_(2)`D. `NaOH` and `NaCl`
Answer» Correct Answer - C The mixture containing a weak acid `(HNO_(2))` and its conjugate base `(NO_(2)^(-))` acts as acidic buffer.

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Which of the following pairs consitutes buffer?A. `HNO_(3)` and `NH_(4)NO_(3)`B. `HCl` and `KCl`C. `HNO_(2)` and `NaNO_(2)`D. `NaOH` and `NaCl`

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