1.

The total number of diprotic acids among the following is H_(3)PO_(4), H_(2)SO_(4), H_(3)PO_(3), H_(2)CO_(3), H_(2)S_(2)O_(7), H_(3)BO_(3), H_(3)PO_(2), H_(2)CrO_(4), H_(2)SO_(3)

Answer»


SOLUTION :DIPROTIC acids have TWO replaceable H-atoms. For example, `H_(2)SO_(4), H_(3)PO_(3), H_(2)CO_(3), H_(2)S_(2)O_(7), H_(2)CrO_(4) and H_(2)SO_(3)`.


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