ORGANIC CHEMISTRY 7TH EDITION BY BROWN – TEST BANK
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ORGANIC CHEMISTRY 7TH EDITION BY BROWN – TEST BANK
CHAPTER 4—ACIDS AND BASES
MULTIPLE CHOICE
1.The pKa of HCl is −7. What is the value of the equilibrium constant, Keq, for the following equilibrium? [The concentration of water in a dilute aqueous solution is 55 M]
|
a. |
1.8 ◊ 105 |
|
b. |
385 |
|
c. |
1.8 ◊ 10−5 |
|
d. |
−1.8 ◊ 105 |
ANS:A
2.The pKa of acetic acid, CH3COOH, is 4.76. What is the value of the equilibrium constant Keq, for the following equilibrium? [The concentration of water in a dilute aqueous solution is 55 M]
|
a. |
3.2 ◊ 107 |
|
b. |
−3.2 ◊ 10−7 |
|
c. |
−3.2 ◊ 107 |
|
d. |
3.2 ◊ 10−7 |
ANS:D
3.Which of the following is the correct order of decreasing basicity (stronger base > weaker base)?
|
a. |
NH3 > MeNH2 > H2O > HF |
|
b. |
MeNH2 > NH3 > MeOH > CH4 |
|
c. |
NH3 > Me3N > H2O > MeOH |
|
d. |
CH3COONa > NaOH > NaOMe > NaNMe2 |
ANS:B
4.Which of the following is the strongest acid?
|
a. |
CH3CH3 |
|
b. |
CH3NH2 |
|
c. |
CH3OH |
|
d. |
CH3F |
ANS:C
5.Which of the following is the strongest acid?
|
a. |
HCl |
|
b. |
HI |
|
c. |
HF |
|
d. |
HBr |
ANS:B
6.Which of the following is easiest to deprotonate?
|
a. |
CH4 |
|
b. |
CH3CH3 |
|
c. |
CH2=CH2 |
|
d. |
HC≡CH |
ANS:D
7.Which of the following is the strongest acid?
|
a. |
CH3OH |
|
b. |
CH3CHO |
|
c. |
CH3COCH3 |
|
d. |
CH3COOH |
ANS:D
8. Which of the following is the strongest acid?
|
a. |
CH3NH2 |
|
b. |
CH3PH2 |
|
c. |
CH3OH |
|
d. |
CH3SH |
ANS:D
9. Which of the following compounds is the strongest acid?
|
a. |
HF |
|
b. |
H2O |
|
c. |
NH3 |
|
d. |
CH4 |
ANS: A
10. Which of the following compounds is the strongest acid?
|
a. |
CH3OCH3 |
|
b. |
CH3CH2OH |
|
c. |
CH3CHO |
|
d. |
CH3CO2H |
ANS:D
11.Which of the following compounds is the strongest acid?
|
a. |
CH3COOH |
|
b. |
ClCH2COOH |
|
c. |
CH3CH2OH |
|
d. |
ClCH2CH2OH |
ANS:B
12.Which of the following compounds is the strongest acid?
|
a. |
CH3COOH |
|
b. |
FCH2COOH |
|
c. |
ClCH2COOH |
|
d. |
BrCH2COOH |
ANS:B
13.Which of the following compounds is the strongest acid?
|
a. |
CH4 |
|
b. |
CH3CH3 |
|
c. |
H2C=CH2 |
|
d. |
HC≡CH |
ANS:D
14.Which of the following compounds is the strongest acid?
|
a. |
CF3OH |
|
b. |
CF3CH2 CH2OH |
|
c. |
CF3CH2 CH2 CH2OH |
|
d. |
CF3CH2 CH2 CH2CH2OH |
ANS:A
MAECENAS IACULIS
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ADIPISCING CONVALLIS BULUM
- Vestibulum penatibus nunc dui adipiscing convallis bulum parturient suspendisse.
- Abitur parturient praesent lectus quam a natoque adipiscing a vestibulum hendre.
- Diam parturient dictumst parturient scelerisque nibh lectus.
Scelerisque adipiscing bibendum sem vestibulum et in a a a purus lectus faucibus lobortis tincidunt purus lectus nisl class eros.Condimentum a et ullamcorper dictumst mus et tristique elementum nam inceptos hac parturient scelerisque vestibulum amet elit ut volutpat.
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