Which of the following solutions has a pH nearest 7 ?
A.
\(1 \mathrm{MH}_{2} \mathrm{C}_{2} \mathrm{O}_{4}\) (oxalic acid) and \(1 \mathrm{MHCC}_{2} \mathrm{O}_{4}\) (potassium hydrogen oxalate)
B.
\(1 \mathrm{MKNO}_{3}\) (potassium nitrate) and \(1 \mathrm{MHNO}_{3}\) (nitric acid)
C.
\(1 \mathrm{MNH}_{3}\) (ammonia) and \(1 \mathrm{MNH}_{4} \mathrm{NO}_{3}\) (ammonium nitrate)
D.
\(1 \mathrm{MCH}_{3} \mathrm{NH}_{2}\) (methylamine) and \(1 \mathrm{MHC}_{2} \mathrm{H}_{3} \mathrm{O}_{2}\) (acetic acid)
Exam No：AP Chemistry Practice Test Year：2024 Question No：10
Answer:
D
Knowledge points:
8.4 Acid-Base Reactions and Buffers
Solution:
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