When mixed together, all of the following pairs can form buffers EXCEPT

When mixed together, all of the following pairs can form buffers EXCEPT

When mixed together, all of the following pairs can form buffers EXCEPT


a. H3PO4 and NaH2PO4-
b. NaH2PO4 and Na2HPO2-
c.H3PO4 and NaOH
d. HCL and HcH3CO2


Answer: d


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