A) \[HN{{O}_{2}}\] and \[NaN{{O}_{2}}\]
B) \[NaOH\] and \[NaCl\]
C) \[HN{{O}_{3}}\] and \[N{{H}_{4}}N{{O}_{3}}\]
D) \[HCl\] and \[KCl\]
Correct Answer: A
Solution :
A pair constituent with a HNO2 and NaNO2 because HNO2 is weak acid and NaNO2 is a salt of weak acid (HNO2) with strong base (NaOH). Hence, it is an example of acidic buffer solution.You need to login to perform this action.
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