THE PKA,1 AND PKA,2 OF ORTHO AND PARA ISOMERS OF PHTHALIC ACID (DIPROTIC ACID) ARE SHOWN BELOW: РКА,1 PKA,2 PHTHALIC ACID 2.98 5.28 TEREPHTHALIC ACID 3.51 4.82 CO2H CO2H .CO2H HO2C phthalic acid terephthalic acid PROVIDE AN EXPLANATION ON THE DIFFERENCES OF THEIR PKA VALUES.

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