Which of the following acid can form more than one acid salt? Name the salts (formula, name).


(b) H3PO4


(d) ZnO

Out of the given compounds only H3PO4 is a polyprotic acid and thus, it can form more than one type of salts.

  • NaH2PO4 - Sodium Dihydrogen phosphate
  • Na2HPO4 - Sodium Phosphate
  • Ca3(PO4)2 - Cacium phosphate

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