Chemistry-
General
Easy

Question

Which of the following compound is tribasic acid

  1. H subscript 3 end subscript P O subscript 2 end subscript    
  2. H subscript 3 end subscript P O subscript 3 end subscript    
  3.  H subscript 3 end subscript P O subscript 4 end subscript    
  4. H subscript 4 end subscript P subscript 2 end subscript O subscript 7 end subscript    

The correct answer is: H subscript 3 end subscript P O subscript 4 end subscript


    K subscript 2 end subscript S O subscript 4 end subscript plus 2 N a subscript 2 end subscript S O subscript 4 end subscript plus stack 2 C r O subscript 2 end subscript C l subscript 2 end subscript plus 3 H subscript 2 end subscript O with text Chromyl chloride end text below it is ionizes in three steps because three –OH group are present

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