My teacher told me that after first deprotonation, $\ce{COO-}$ acts as an electron donating group and hence reduces the acidic strength of $\ce{HC2O4-}$ (due to the +I effect of $\ce{COO-}$ on the second $\ce{COOH}$). International Journal of Greenhouse Gas Control. How does the UK manage to transition leadership so quickly compared to the USA? Influence of organic ligands on magnesite growth: A hydrothermal atomic force microscopy study. Create your account. Why is $\ce{COO-}$ an electron donating group when $\ce{COOH}$ is an electron withdrawing group? Chemical mechanical planarization of copper using abrasive-free solutions of oxalic acid and hydrogen peroxide. nH2O precipitation with oxalates and nitrates recycling. It only takes a minute to sign up. Is a software open source if its source code is published by its copyright owner but cannot be used without a commercial license? A Potentiometric, Spectrophotometric and Pitzer Ion-Interaction Study of Reaction Equilibria in the Aqueous H+-Al3+, H+-Oxalate and H+-Al3+-Oxalate Systems up to 5 mol⋅dm−3 NaCl. Why is acetylsalicylic acid still more acid than benzoic acid? Why is formic acid a stronger acid than acetic acid? What is the dissociation equation of Oxalic Acid, {eq}H_2C_2O_4{/eq}? By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Sciences, Culinary Arts and Personal The second molal dissociation constant was measured in NaCF3SO3 media only. Punam Thakur, Yongliang Xiong, Marian Borkowski. To learn more, see our tips on writing great answers. Jean-François Boily, Odeta Qafoku, Andrew R. Felmy. Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. DISSOCIATION CONSTANTS OF ORGANIC ACIDS AND BASES This table lists the dissociation (ionization) constants of over ... Glyoxylic acid 25 3.18 C 2 H 2 O 4 Oxalic acid 1 25 1.25 2 25 3.81 C 2 H 3 BrO 2 Bromoacetic acid 25 2.90 C 2 H 3 ClO 2 Chloroacetic acid 25 2.87 C 2 H 3 Cl 3 O 2,2,2-Trichloroethanol 25 12.24 C 2 H 3 FO 2 story about man trapped in dream. Experimental determination of rhyolitic glass dissolution rates at 40–200°C and 2 \mathrm{K}_{\rm a2}$. Ionization equilibria of acids and bases under hydrothermal conditions. Benjamin Bonfils, Carine Julcour-Lebigue, François Guyot, Françoise Bodénan, Pierre Chiquet, Florent Bourgeois. Effect of aqueous acetic, oxalic and carbonic acids on the adsorption of uranium(vi) onto α-alumina. Why do I need to turn my crankshaft after installing a timing belt? Ask Question Asked 4 years, 11 months ago. This table lists the acid-base dissociation constants of over 600 organic compounds, including many amino acids. Development of Accurate Chemical Equilibrium Models for Oxalate Species to High Ionic Strength in the System: Na—Ba—Ca—Mn—Sr—Cl—NO3—PO4—SO4—H2O at 25 °C. Oxalic acid, H,CO,, has acid dissociation constants of K1 = 5.90 x 10-2 and K2 = 6.40 x 10-5. Cyrille Alliot, Lionel Bion, Florence Mercier, Pierre Toulhoat. The Ka of stearic acid is 1.3 x 10^-5. Services, Dissociation Constant and Autoionization of Water, Working Scholars® Bringing Tuition-Free College to the Community.


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