The aqueous solution of which of the following salt will have the lowest pH? Give a valid reason to support your answer.
a) NaClO b) NaClO2 c) NaClO3  d) NaClO4

Dear Student,

Sodium perchlorate in aqueous solution gives strongest acid which is perchloric acid. So it gives more H+  ions in the solution. More the concentration of H+ ions in the solution lower will be the pH.

Correct option is d) NaClO4


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