Please name the structure, thanks Vanillylmandelic acid (pK, 3.42) is a metabolite found in urine, the pH of which is normally in the range from 4.8 to 8.4. Provide thestructure of vanillylmandelic acid that you would expect to find in urine with pH 5.8?онOHНОVanillylmandelic acid

IUPAC naming of vanilylmandelic acid.

Answered: Please name the structure, thanks

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter15: Solutions Of Acids And Bases

Section: Chapter Questions

Problem 15.135QE

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Acid-Base Equilibria Many factors contribute to the acidity of organic compounds. Electronegativity, resonance, induction, hybridization, aromaticity, and atomic size, all play a role. In the following comparisons, you are asked to identify the factor(s) that would be most important to analyze when predicting relative acidity, and then to predict the trend in acidity and pKa values. For each of the following pairs of compounds answer the following two multiple-choice questions. 1. What factor(s) are the most important to consider when predicting the relative acidity of the two compounds? a. Electronegativity of the atom possessing the hydrogen. b. Resonance stabilization of the anionic conjugate base. c. Inductive stabilization of the anionic conjugate base. d. Hybridization of the atom possessing the hydrogen. e. The atomic size of the atom possessing the hydrogen.
Find the value of Kb for the conjugate base of the following organic acids. (a) picric acid used in the manufacture of explosives; Ka = 0.16 (b) trichloroacetic acid used in the treatment of warts; Ka = 0.20
Benozic acid (C6H5COOH) has a pKa of 4.20. What is the ratio of the acid to its conjugate acid at a pH of 2.20 and what is the formula of the conjugate acid?
Quinine (C20H24N2O2) is the most important alkaloid derived from cinchona bark. It is used as an antimalarial drug. For quinine pKb1 = 5.1 and pKb2 = 9.7 (pKb = −log(Kb)). Only 1.0 g of quinine will dissolve in 1900.0 mL of water. Calculate the pH of saturated aqueous solution of quinine. Consider only the reaction Q + H2O QH+ + OH− described by pKb1, where Q = quinine.
The pKa value of CH3COOH/CH3COO- is 4.75. At what pH value are the concentration of CH3COO- and CH3COOH the same?
Assuming only the neutral form of the compound significantly "bioconcentrates" in fish, Estimate the equilibrium concentration (ug chemical/kg wet fish) of the acid pentachlorophenol (PCP) in a rainbow trout swimming in water (pH =7) having a total concentration of 10 ug/L PCP (both neutral and negatively charged forms. The log Kow for the neutral form of pentachlorophenol is 5.0 and the pKa is 5.
The structure of benzene-1,2,3-tricarboxylic acid (pKa1 =2.88, pKa2 4.76, pKa3 = 7.13) can be seen on the right. What is the predominate form of benzene-1,2,3-tricarboxylic acid in a solution that has a pH of 6.0?
Consider two acids: HCO2H (formic acid, pKa = 3.8) and pivalic acid [(CH3)3CCO,H, pK = 5.0]. (a) Which acid has the larger K? (b) Which acid is the stronger acid? (c) Which acid forms the stronger conjugate base? (d) When each acid is dissolved in water, for which acid does the equilibrium lie further to the right? %3D The pKa values in Table 2.1 span a large range (-7 to 50). The pK, scale is logarithmic. small difference in pK, translates into a large numerical difference, For example, the diffe between the pK, of NH3 (38) and CH2=CH, (44) is six pKa units. This means that NH, is one million times more acidic than CH,=CH,.
Please answer all as soon as possibleeee
Quinine (C20 H24 N2O2) is the most important alkaloid derived from cinchona bark. It is used as an antimalarial drug. For quinine, pKb, = 5.1 and pK, = 9.7 (pK, = - log Kp). Only 1 g quinine will dissolve in 1930.0 mL of solution. Calculate the pH of a saturated aqueous solution of quinine. Consider only the reaction Q+ H20 = QH+ + OH° described by pK,, where Q = quinine. pH =
Please don't provide handwritten solution
Write an equilibrium equation showing how benzoic acid (C6H5COOH) acts like a weak acid and identify both pairs of conjugate acid-base partners.

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