Question

The aqueous solution of which of the following salt has the lowest pH.

• A. $NaClO$
• B. $NaClO_{2}$
• C. $NaClO_{3}$
• D. $NaClO_{4}$

Answer 1

Answer: (D)

$NaClO_{4}$

Answer 2

NaClO₄ is a salt of strong acid $HClO_{4}$. So it is a strong acid salt.