Which Pair(s) of Substances Would Make a Suitable Buffer Pair

question 48

Multiple Choice

Which pair(s) of substances would make a suitable buffer pair combination?
I. NaOH and NaBr
II. HF and NaF
III. CH₃NH₃⁺Cl ^- and CH₃NH₂

• A) I only
• B) II only
• C) III only
• D) I and II
• E) II and III

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