Question: Shown here are some pKa data for simple dibasic acids. How can you account for the fact that the difference between the first and second

Shown here are some pKa data for simple dibasic acids. How can you account for the fact that the difference between the first and second ionization constants decreases with increasing distance between the carboxyl groups?

Name Structure pk, pK2 Oxalic Succinic 4.2 1.2 HO,cco,H --,, -ICH2),c,H 4.2

Name Structure pk, pK2 Oxalic Succinic 4.2 1.2 HO,cco,H --,, -ICH2),c,H 4.2 5.6 4.4 Adipic 5.4

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