Concept explainers
a. Which compounds are Bronsted-Lowry acids:
b. Which compounds are Bronsted-Lowry bases:
c. Classify each compound as an acid, a base, or both:
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Chapter 2 Solutions
ORGANIC CHEM W/BIOLOGICAL TOP. ACCESS
- Use Table 13-3 to help answer the following questions. a. Which is the stronger base, ClO4 or C6H5NH2? b. Which is the stronger base, H2O or C6H5NH2? c. Which is the stronger base, OH or C6H5NH2? d. Which is the stronger base, C6H5NH2 or CH3NH2?arrow_forwardUse Table 14.3 to help answer the following questions. a. Which is the stronger base, ClO4 or C6H5NH2? b. Which is the stronger base, H2O or C6H5NH2? c. Which is the stronger base, OH or C6H5NH2? d. Which is the stronger base, C6H5NH2 or CH3NH2?arrow_forwardWhich is the stronger of the following two acids? (a) acetic acid, CH3CO2H, Ka = 1.8 105 (b) chloroacetic acid, ClCH2CO2H, pKa = 2.85arrow_forward
- You may need Table 13-2 to answer the following questions. a. Which is the stronger base, Cl or H2O? b. Which is the stronger base, H2O or NO2? c. Which is the stronger base, CNor OC6H5?arrow_forwardWhich acid has the strongest conjugate base? (a) HNO2 (b) C6H5CO2H (c) HCN (d) HClarrow_forwardWhat is the conjugate acid of each of the following? What is the conjugate base of each?. (a) OH-. (b) H2O. (c) HCO3-. (d) NH3. (e) HSO4-. (f) H2O2. (g) HS-. (h) H5N2+arrow_forward
- A hydrogen atom in the organic base pyridine, C5H5N, can be substituted by various atoms or groups to give XC5H4N, where X is an atom such as Cl or a group such as CH3. The following table gives Ka values for the conjugate acids of a variety of substituted pyridines. (a) Suppose each conjugate acid is dissolved in sufficient water to give a 0.050 M solution. Which solution would have the highest pH? The lowest pH? (b) Which of the substituted pyridines is the strongest Brnsted base? Which is the weakest Brnsted base?arrow_forwardEthanol (ethyl alcohol), CH3CH2OH, can act as a BrnstedLowry acid. Write the chemical equation for the reaction of ethanol as an acid with hydroxide ion, OH. Ethanol can also react as a BrnstedLowry base. Write the chemical equation for the reaction of ethanol as a base with hydronium ion, H3O+. Explain how you arrived at these chemical equations. Both of these reactions can also be considered Lewis acid base reactions. Explain this.arrow_forwardFormic acid, HCOOH, is found in ants. Write a balanced chemical equation to represent why an aqueous solution of formic acid is acidic.arrow_forward
- Place the species in each of the following groups in order of increasing acid strength. a. H2O, H2S, H2Se (bond energies: HO, 467 kJ/mol; HS, 363 kJ/mol; HSe, 276 kJ/mol) b. CH3CO2H, FCH2CO2H, F2CHCO2H, F3CCO2H c. NH4+, HONH3+ d. NH4+, PH4+ (bond energies: NH, 391 kJ/mol; PH, 322 kJ/mol) Give reasons for the orders you chose.arrow_forwardWhat is the conjugate acid of each of the following? What is the conjugate base of each?. (a) H2S. (b) H2 PO4-. (c) PH3. (d) HS-. (e) HSO3-. (f) H3O2+. (g) H4N2. (h) CH3OHarrow_forwardConsider the following four biological solutions: (1) bile, pH 8.0, (2) blood, pH 7.4, (3) urine, pH 6.0, and (4) gastric juice, pH 1.6. a. Which solution has the lowest [H3O+]? b. Which solution has the lowest [OH]? c. List the solutions in order of decreasing acidity. d. List the solutions in order of increasing basicity.arrow_forward
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