Equilibrium - Result Question 71
####75. Which one of the following pairs of solution is not an acidic buffer?
(a) $HClO_4$ and $NaClO_4$
(b) $CH_3 COOH$ and $CH_3 COONa$
(c) $H_2 CO_3$ and $Na_2 CO_3$
(d) $H_3 PO_4$ and $Na_3 PO_4$
Show Answer
Solution:
- (a) Among the given acids, $HClO_4$ is a very strong acid, completely dissociates
$\therefore[HA] \to 0$ in this case, hence cannot be used for acidic buffer.
