Explain first acid-ionization equilibrium constant

Reference no: EM13561005

Which one of the following polyprotic acids is the weakest acid in terms of its first acid-ionization equilibrium constant?

A) ascorbic acid (K1=6.8 x 10-5)

B) H2C2O4 (K1=5.6 x 10-2)

C) H2S (K1= 9.5 x 10-8)

D) H2CO3 (K1= 4.7 x10-7)

Reference no: EM13561005

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