EP ORGANIC CHEMISTRY -MOD.MASTERING 18W
9th Edition
ISBN: 9780136781776
Author: Wade
Publisher: PEARSON CO
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Chapter 2, Problem 2.44SP
Compare the relative acidity of 1-molar aqueous solutions of the following acids NH4Cl CH3COOH BrCH2COOH F3CCOOH H2SO4 HCl HBr
pKa = 9.26 pKa = 4.74 pKa = 2.9 pKa = 02 pKa = -5 pKa = −7 pKa = −9
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Compare the relative acidity of 1-molar aqueous solutions of the following acids.NH4Cl CH3COOH BrCH2COOH F3CCOOH H2SO4 HCl HBrpKa = 9.26 pKa = 4.74 pKa = 2.9 pKa = 0.2 pKa = -5 pKa = -7 pKa = -9
Consider the following data on some weak acids and weak bases:
base
acid
Κα
a
Ко
name
formula
name
formula
hydrofluoric acid
4
HF
6.8 × 10
pyridine CH&N 1.7x10
acetic acid
HCH3CO2 1.8 × 10¯¯
methylamine CH3NH2 4.4 × 10¯
-4
Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to
the solution that will have the next lowest pH, and so on.
0.1 M KCI
solution
PH
✓ choose one
1 (lowest)
0.1 M CH3NH3Br
0.1 M C5H5NHCI
0.1 M NaF
2
3
4 (highest)
choose one v
Х
In which one of the following solutions will acetic acid have the greatest percent ionization? K₂ = 1.8 x
10-5
0.10 M CH3COOH plus 0.10 M CH3COONa
0.10 M CH3COOH plus 0.20 M CH3COONa
0.10 M CH3COOH
O 0.10 M CH3COOH dissolved in 1.0 M HCI
Chapter 2 Solutions
EP ORGANIC CHEMISTRY -MOD.MASTERING 18W
Ch. 2.1A - Prob. 2.1PCh. 2.1B - The NF bond is more polar than the NH bond: but...Ch. 2.1B - For each of the following compounds 1. Draw the...Ch. 2.1B - Two isomers of 1,2-dichloroethene are known One...Ch. 2.2C - Prob. 2.5PCh. 2.2C - Prob. 2.6PCh. 2.3 - Prob. 2.7PCh. 2.4 - Calculate the pH of the following solutions a....Ch. 2.6A - Ammonia appears in Table 2-2 as both an acid and a...Ch. 2.7 - Write equations for the following acid-base...
Ch. 2.7 - Ethanol, methylamine. and acetic acid are all...Ch. 2.8 - Prob. 2.12PCh. 2.10 - Write equations for the following acid-base...Ch. 2.10 - Rank the following acids in decreasing order of...Ch. 2.11 - Prob. 2.15PCh. 2.11 - Prob. 2.16PCh. 2.11 - Consider each pair of bases and explain which one...Ch. 2.12 - Which is a stronger base ethoxide ion or acetate...Ch. 2.12 - Prob. 2.19PCh. 2.12 - Prob. 2.20PCh. 2.12 - Prob. 2.21PCh. 2.12 - Choose the more basic member of each pair of...Ch. 2.14 - Prob. 2.23PCh. 2.15D - Classify the following hydrocarbons and draw a...Ch. 2.16D - Prob. 2.25PCh. 2.17C - Draw a Lewis structure and classify each of the...Ch. 2.17C - Circle the functional groups in the following...Ch. 2 - The CN triple bond in acetonitrile has a dipole...Ch. 2 - Prob. 2.29SPCh. 2 - Sulfur dioxide has a dipole moment of 1.60 D....Ch. 2 - Which of the following pure compounds can form...Ch. 2 - Predict which member of each pair is more soluble...Ch. 2 - Prob. 2.33SPCh. 2 - Prob. 2.34SPCh. 2 - Predict which compound in each pair has the higher...Ch. 2 - All of the following compounds can react as acids...Ch. 2 - Rank the following species in order of increasing...Ch. 2 - Rank the following species in order of increasing...Ch. 2 - The Ka of phenylacetic acid is 5 2 105, and the...Ch. 2 - The following compound can become protonated on...Ch. 2 - The following compounds are listed in increasing...Ch. 2 - Prob. 2.42SPCh. 2 - Prob. 2.43SPCh. 2 - Compare the relative acidity of 1-molar aqueous...Ch. 2 - The following compounds can all react as acids. a....Ch. 2 - The following compounds can all react as bases. a....Ch. 2 - The following compounds can all react as acids. a....Ch. 2 - Prob. 2.48SPCh. 2 - Methyllithium (CH3Li) is often used as a base in...Ch. 2 - Label the reactants in these acid-base reactions...Ch. 2 - In each reaction, label the reactants as Lewis...Ch. 2 - Prob. 2.52SPCh. 2 - Each of these compounds can react as a nucleophile...Ch. 2 - Prob. 2.54SPCh. 2 - Give a definition and an example for each class of...Ch. 2 - Circle the functional groups in the following...Ch. 2 - Prob. 2.57SP
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