17. For the reaction below: 1) draw the structures of the products by comparing pKa values. 2) draw mechanism arrows to show how the products form. 3) circle whether the products or reactants are favored at equilibrium. pKa - 10.6 pka- 16 reactants favored or products favored? 18. The following compound has three nitrogen atoms. In the spaces provided, rank these three nitrogen atoms above in order of increasing base strength (1 = strongest base, 3 = weakest base). H.i H-N.

17. For the reaction below: 1) draw the structures of the products by comparing pKa values. 2) draw mechanism arrows to show how the products form. 3) circle whether the products or reactants are favored at equilibrium. pKa - 10.6 pka- 16 reactants favored or products favored? 18. The following compound has three nitrogen atoms. In the spaces provided, rank these three nitrogen atoms above in order of increasing base strength (1 = strongest base, 3 = weakest base). H.i H-N.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Nitric acid (HNO3) is a strong acid that completely ionizes when dissolved in water (pKa = -1.30). Calculate the pH of 10 mg/L HNO3. a. Unlike nitric acid, butyric acid (CH3CH2CH2COOH) is a weak acid (pKa = 4.8). Calculate the pH of a solution when 90% of the CH3CH2CH2COOH is dissociated. b. Briefly explain how you can use the pKa values of these two molecules to determine that nitric acid is a strong acid, while butyric acid is a weak acid.
2. Calculate the pKa for thefollowing:a. trans – cinnamic acid; Ka = 3.7 x 10-5b. saccharin, Ka = 2.5 x 10-2
What is the pKa of: -Ha -Hb -Hc -Hd The numbers listed are the possible pKa, its ok to use the amount or value more than once.
Using the values below indicate the pKa at each of the boldfaced hydrogens. Some values may be used multiple times some may not be used at all pKa's: -6, -2, 0, 3-5, 5-7, 9-11, ~16.5, 16-18, 19-21, 25, 30, 32, 35-38, 41, 44, 50.
Calculate pKa values from the following Ka’s and vice versa:a. Nitromethane, Ka = 5.0 x 10^-11 b. Acetone, pKa = 19.3 c. Acrylic acid, Ka = 5.6 x 10^-5 d. Formic acid, pKa = 3.75
Given the following values of pKa, which of the following is FALSE? pKa CH3COOH = 4.74pKa H2CO3 = 6.36 a. The dissociation of H2CO3 can be represented by 4.4×10−7=[HCO3−][H3O+] / [H2CO3] b. The Ka of H2CO3 is 4.4 x 10-7. c. H2CO3 has a stronger conjugate base than CH3COOH. d. CH3COOH can react with a weak base while H2CO3 can only react with a strong base.
Two pKa values are reported for malonic acid, a compound with twoCOOH groups. Explain why one pKa is lower and one pKa is higher thanthe pKa of acetic acid (CH3COOH, pKa = 4.8).
Provide an explanation without using the pka values : Why is phenol stronger acid than butanoic acid?
Match each compound with its appropriate pKa value. Q.) Benzoic acid, cyclohexanol, phenol pKa 5 18.0, 9.95, and 4.19
What is the pKa of a weak acid with a Ka of 4.7 X 10-6?
Interconverting Ka and pKa-
What is the pKa for each compound? (SEE ATTACHED FILE)