Which compound in each pair is the stronger acid?c. CH3COOH or O,NCH,COOHa. CICH,COOH or FCH,COOHb. Cl,CHCH,OH or Cl,CHCH,CH,OH

Acid is a substance that donates a proton. (a) ClCH2COOH OR FCH2COOH F is most electronegative…

Answered: Which compound in each pair is the…

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter3: Chemical Reactions

Section3.6: Acids And Bases

Problem 1RC

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How is acid strength related to the value of Ka? What is the difference between strong acids and weak acids (see Table 13-1)? As the strength of an acid increases, what happens to the strength of the conjugate base? How is base strength related to the value of Kb? As the strength of a base increases, what happens to the strength of the conjugate acid?
Explain the difference between a strong acid and a weak acid.
In each of the following acid-base reactions, identify the Brnsted acid and base on the left and their conjugate partners on the right. (a) C2H5N(aq) + CH3CO2H(aq) C5H5NH+(aq) + CH3CO2(aq) (b) N2H4(aq) + HSO4(aq) N2H5+(aq) + SO42(aq) (c) [Al(H2O)6]3+ (aq) + OH(aq) [Al(H2O)5OH]2+ (aq) + H2O+()
Which of the following compounds or ions has the weakest conjugate base? Briefly explain your choice. a) HCN b) HClO c) NH4+
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?
Salicylic acid, HOC6H4CO2H, and its derivatives have been used as pain relievers for a long time. Salicylic acid occurs in small amounts in the leaves, bark, and roots of some vegetation (most notably historically in the bark of the willow tree). Extracts of these plants have been used as medications for centuries. The acid was first isolated in the laboratory in 1838. (a) Bath functional groups of salicylic acid ionize in water, with Ka=1.0103 for the—CO2H group and 4.201013 for the -OH group. What is the pH of a saturated solution of the acid (solubility = 1.8 g/L).. (b) Aspirin was discovered as a result of efforts to produce a derivative of salicylic acid that would not be irritating to the stomach lining. Aspirin is acetylsalicylic acid, CH3CO2C6H4CO2H. The -CO2H functional group is still present, but its acidity is reduced, Ka=3.0104. What is the pH of a solution of aspirin with the same concentration as a saturated solution of salicylic acid (See Part a). (c) Under some conditions, aspirin reacts with water and forms a solution of salicylic acid and acetic acid: CH3CO2C6H4CO2H(aq)+H2O(l)HOC6H4CO2H(aq)+CH3CO2H(aq) i. Which of the acids, salicylic acid or acetic acid, produces more hydronium ions in such a solution? ii. What are the concentrations of molecules and ions in a solution produced by the hydrolysis of 0.50 g of aspirin dissolved in enough water to give 75 mL of solution?
Which is the stronger acid?
Which acid in each of the following pairs is stronger?
Rank the following compounds in order of increasing acidity, and explain your ranking. Br A OH O₂N B The strongest acid has a base. The weakest acid has a conjugate base. COOH (least acidic) < (most acidic) DOH H₂C D that will that will COOH the W COOH the charge in its conjugate ✓ charge in its
A13. Which of the following is the strongest base? A H .N. H NH2
4. What is the conjugate acid of OH- A. H2O B. 0-2 c.02 D.O
What is the conjugate base of each acid? а. НCN b. HCO, c. (CHa), NH2 d. HC= CH e. CH;CH,COOH f. CH;SO3H

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Which compound in each pair is the stronger acid? c. CH3COOH or O,NCH,COOH a. CICH,COOH or FCH,COOH b. Cl,CHCH,OH or Cl,CHCH,CH,OH