JEE Main Chemistry question
Which one is not a buffer?
Answer: (D)
Solution
HClO₄ is a strong acid (fully dissociated), so this is not a weak-acid/conjugate-base buffer pair, unlike (A), (B), (C).
Which one is not a buffer?
HClO₄ is a strong acid (fully dissociated), so this is not a weak-acid/conjugate-base buffer pair, unlike (A), (B), (C).