ORGANIC CHEM W/BIOLOGICAL TOP. ACCESS
6th Edition
ISBN: 9781264382545
Author: SMITH
Publisher: MCG CUSTOM
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Chapter 2, Problem 45P
What is
a.
b.
c.
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18). The formulas and the structures of two acids are shown below. Which acid is a stronger
acid? If the acid strength of the two acids is equal, say so.
Cl2CHCOOH
CH3COOH
но
но
CI-C-C-OH
н-с-с-он
ČI
Ką = 0.0324
Ką = 1.82 x 10-5
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a. Cl¿CHCOOH is a stronger acid than CH;COOH.
b. CH;COOH is a stronger acid than CI½CHCOOH
c. The two have equal acid strength.
d. none of the above
Acetic acid CH 3 CO 2 H has a lower acidity constant (K a) than HCl,
a very strong acid. Compare what happens in the solution when adding
acetic acid to water and HCl to water. Explain how the K has
each acid is related to the concentration of protons at equilibrium.
1. For each acid-base reaction, label the acid, the base, the conjugate acid, and the conjugate
base, and determine whether the equilibrium lies toward reactants (to the left) or toward
products (to the right) '
a)
b)
d) H₂O
OH
+
IZ
Br
Хон
NH₂
H₂O
OH
HBr
Xo
NH3
Chapter 2 Solutions
ORGANIC CHEM W/BIOLOGICAL TOP. ACCESS
Ch. 2.1 - a. Which compounds are Bronsted-Lowry acids:...Ch. 2.2 - a. Draw the conjugate acid of each base:...Ch. 2.2 - Label each statement as True or False.
a. is the...Ch. 2.2 - Decide which compound is the acid and which is the...Ch. 2.2 - Draw the products formed from the acid-base...Ch. 2.3 - Which compound in each pair is the stronger acid?...Ch. 2.3 - Use a calculator when necessary to answer the...Ch. 2.3 - Rank the conjugate bases of each of group of acids...Ch. 2.3 - Problem-2.10 Considers two acids: (formic acid,)...Ch. 2.3 - Prob. 11P
Ch. 2.4 - Draw the products of each reaction and determine...Ch. 2.4 - Prob. 13PCh. 2.5 - Without reference to a pKa table, decide which...Ch. 2.5 - Rank the labeled H atoms in the following compound...Ch. 2.5 - Which hydrogen in pseudoephedrine, the nasal...Ch. 2.5 - Which compound in each pair is the stronger acid?...Ch. 2.5 - Glycolic acid, HOCH2CO2H, is the simplest member...Ch. 2.5 - Explain the apparent paradox. HBr is a stronger...Ch. 2.5 - The CH bond in acetone, (CH3)2C=O, has a pKa of...Ch. 2.5 - Prob. 23PCh. 2.5 - For each pair of compounds: [1] Which indicated H...Ch. 2.5 - Rank the compounds in each group in order of...Ch. 2.5 - Prob. 26PCh. 2.5 - Prob. 27PCh. 2.6 - Prob. 28PCh. 2.7 - Problem 2.29
Compounds like amphetamine that...Ch. 2.8 - Problem 2.30 Which species are Lewis bases?
a. b....Ch. 2.8 - Which species are Lewis acids?
a. b. c. d.
Ch. 2.8 - For each reaction, label the Lewis acid and base....Ch. 2.8 - Prob. 33PCh. 2.8 - Prob. 34PCh. 2.8 - Label the Lewis acid and base. Use curved arrow...Ch. 2 - 2.36 Propranolol is an antihypertensive agent—that...Ch. 2 - 2.37 Amphetamine is a powerful stimulant of the...Ch. 2 - 2.38 What is the conjugate acid of each base?
a....Ch. 2 - 2.39 What is the conjugate base of each acid?
a....Ch. 2 - Draw the products of each proton transfer...Ch. 2 - Prob. 43PCh. 2 - What is Ka for each compound? Use a calculator...Ch. 2 - What is the pKa for each compound? a. b. c.Ch. 2 - Which of the following bases are strong enough to...Ch. 2 - Draw the products of each reaction. Use the pKa...Ch. 2 - a. What is the conjugate acid of A? b. What is the...Ch. 2 - Dimethyl ether (CH3OCH3) and ethanol (CH3CH2OH)...Ch. 2 - 2.59 Atenolol is a (beta) blocker, a drug used to...Ch. 2 - 2.60 Use the principles in Section 2.5 to label...Ch. 2 - 2.61 Label the three most acidic hydrogen atoms in...Ch. 2 - Prob. 66PCh. 2 - 2.63 Classify each compound as a Lewis base, a...Ch. 2 - 2.64 Classify each species as a Lewis acid, a...Ch. 2 - Label the Lewis acid and Lewis base in each...Ch. 2 - 2.66 Draw the products of each Lewis acid-base...Ch. 2 - Prob. 71PCh. 2 - 2.68 Answer the following questions about the four...Ch. 2 - Prob. 73PCh. 2 - 2.70 Hydroxide can react as a Brønsted-Lowry base...Ch. 2 - 2.71 Answer the following questions about esmolol,...Ch. 2 - Prob. 76PCh. 2 - Prob. 77PCh. 2 - Prob. 82P
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- For each of the following reactions predict whether the equilibrium lies predominantly to the left or to the right. Explain your prediction briefly. (a) HCO3(aq) + SO42(aq) CO32(aq) + HSO4(aq) (b) HSO4(aq) + CH3CO2(aq) SO42(aq) + CH3CO2H(aq) (c) [Co(H2O)6]2+(aq) + CH3CO2(aq) [Co(H2O)5(OH)]+(aq) + CH3CO2H(aq)arrow_forwardAbout this time, you may be wishing you had an aspirin. Aspirin is an organic acid with a Ka of 3.27 104 for the reaction. HC9H7O4(aq) + H2O() C9H7O4(aq) + H3O+(aq) If you have two tablets, each contains 0.325 g of aspirin (mixed with a neutral binder to hold the tablet together), and you dissolve then in a glass of water to give 225 mL of solution, what is the pH of the solution.arrow_forwardFor each value of Ka, calculate the corresponding value of pKa. Which compound is the stronger acid? (a) Acetic add, Ka = 1.74 105 (b) Chloroacetic acid, Ka= 1.38 103arrow_forward
- What are the products of each of the following acid-base reactions? Indicate the acid and its conjugate base and the base and its conjugate acid. HC1O4+ H2O — NH/ + H2O -» HCOr + OH" —arrow_forward8-15 Write an equation for the reaction that takes place when each base is added to water. (a) LiOH (b) (CH3)2NH (c) Sr(OH)2 (d) CH3CH2NH2arrow_forwardWhich of the following will increase the percent of NH3 that is converted to the ammonium ion in water (Hint: Use LeChatelier’s principle.)? (a) addition of NaOH. (b) addition of HCl. (c) addition of NH4Clarrow_forward
- Barbituric acid, HC4H3N2O3, is used to prepare barbiturates, a class of drugs used as sedatives. Its Ka is 9.8105. Calculate [H+] in solutions prepared by adding enough water to the following to make 1.45 L. (a) 0.344 mol (b) 28.9 garrow_forwardConsider these acids (a) Arrange the acids in order of increasing acid strength from weakest to strongest. (b) Which acid has the smallest pKa value?arrow_forwardHow 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?arrow_forward
- Which has the larger numerical value? (a) The pKa of a strong acid or the pKa of a weak acid (b) The Ka of a strong acid or the Ka of a weak acidarrow_forwardCalculate Ka for the weak acids that have the following PKa values. (a) 3.9(b) 10.12 (c) 13.07arrow_forwardSulfanilic acid, which is used in making dyes, is made by reacting aniline with sulfuric acid. (a) Is aniline a Brnsted base, a Lewis base, or both? Explain, using its possible reactions with HCl, BF3, or other acid. (b) Sulfanilic acid has a pKa value of 3.23. The sodium salt of the acid, Na(H2NC6H4SO3), is quite soluble in water. If you dissolve 1.25 g of the salt in water to give 125 ml, of solution, what is the pH of the solution?arrow_forward
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