The aqueous solution of which of the followin | vedclass

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(D) The $pH$ of an aqueous salt solution depends on the strength of the parent acid and base. $NaClO$,$NaClO_2$,$NaClO_3$,and $NaClO_4$ are salts of a

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$NaClO_4$

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(D) The $pH$ of an aqueous salt solution depends on the strength of the parent acid and base. $NaClO$,$NaClO_2$,$NaClO_3$,and $NaClO_4$ are salts of a strong base $(NaOH)$ and their respective oxyacids: $HClO$,$HClO_2$,$HClO_3$,and $HClO_4$. As the oxidation state of chlorine increases,the strength of the corresponding oxyacid increases $(HClO Since $HClO_4$ is the strongest acid among these,its conjugate base $ClO_4^-$ is the weakest,resulting in the least hydrolysis and the lowest $pH$ for the salt $NaClO_4$.

The aqueous solution of which of the following salts has the lowest $pH$?

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