Download Review Chapters 8-18 - Bakersfield College

Chemistry B11
Chapters 8-18 review
1. A sodium hydroxide solution has a pH of 10.4. What is the [H+] and [OH-]?
2. If 54 mL of an aqueous solution of H3PO4 requires 34 mL of 0.83 M NaOH to reach the
end point, what is the molarity of the H3PO4 solution?
3. The pKa of lactic acid is 3.86. What is the pH of a buffer in which the concentration of
lactic acid is 0.2 M and concentration of sodium lactate is 2.0 M?
4. Show the acid, base, conjugate acid, and conjugate base in the following reactions:
a) H2SO4 + Mg(OH)2 → MgSO4 + 2H2O
b) HNO3 + NH3 → NH4+ + NO35. Naming the following acids:
a) HF
b) HNO2
c) H3PO4
d) H2CO3
6. How can we prepare a buffer? Describe the buffers in our body. Explain their reactions:
Dr. Behrang Madani
Chemistry B11
Bakersfield College
7. Find the IUPAC name for the following compounds:
CH3
Cl
a) CH3-CH-CH2-C-CH2-CH3
CH3
OH
b)
NO2
Cl
Br
c) CH2=CH-CH-CH-CH3
Cl
OH
OH
d) CH3-CH2-CH-CH2-CH-CH2-CH3
e) CH3-CH2-O-CH2-CH2-CH3
CH2-CH3
f) CH3-CH2 -CH-CH2SH
NH2
Br
g)
OH
CH3
h) CH3-CH2-CH2-CH2-CH2-N-CH3
NH2
OH O
i) CH3-C-CH2-CH-C-CH2-CH3
NH2
O
j) CH3-CH-CH2-CH
NO2
OH
Cl O
k) CH3-CH-CH2-CH-COH
Dr. Behrang Madani
Chemistry B11
Bakersfield College
8. Draw structural formulas for the following compounds:
a) 3-methylpentanal
b) 4-bromo-2-pentanone
c) 4-chlorobenzaldehyde
d) 3-nitro-2-hexanol
e) 3-hydroxylbutanoic acid
f) Methyl butyl ether
g) 2,4,5-trichloroaniline
h) 2,3-Dimethyl-1-butene
i) N-Propylaniline
j) 3,3-dibromo-1-hexanethiol
9. Draw five constitutional isomers for C7H14:
10. What reagents and/or catalysts are necessary to carry out each conversion? Determine the
type of reaction.
a) Benzene to Chlorobenzene
b) Ethene to Ethane
Dr. Behrang Madani
Chemistry B11
Bakersfield College
c) Pentanal to pentanoic acid
d) 2-butanone to 2-butanol
e) 1-Propanol to propene
11. Name four physical properties for aldehydes?
12. Arrange the following compounds in order of increasing boiling point:
a) CH3-CH2-OH,
CH2=CH2,
b) CH3-O-CH2-CH3,
c) CH3-CO-CH3,
CH3-CH2-NH2
CH3-CH2-CH2-SH,
CH3-CH2-CH2-OH,
CH3-CH2-CH3
CH3-CH2-COOH
13. From each pair, select the compound that is more soluble in water:
a) CH3-CH2-SH
CH3-CH2-COH
b) CH3-(CH2)6-CH2-OH
CH3-CH2-OH
c) CH3-CH2-O-CH3
CH3-CH2-COOH
d) CH3-CH2-CH2-OH
CH3-CH2-CH2-NH2
14. Which of these compounds show cis-trans isomerism? For each that does, draw structural
formulas for both isomers. Which one has a higher boiling point (cis or trans)?
a) 2-methyl-2-butene
b) 2-chloro-2-butene
Dr. Behrang Madani
Chemistry B11
Bakersfield College
15. Write the molecular formula for the following compounds:
a) An alkane with 15 carbon atoms
b) An alkyne with 10 acrbon atoms
c) An alkene with 8 carbon atoms
16. Give an example for hydrogenation and halogenation of alkenes (write the chemical
equation). Determine the type of catalyst (if it is necessary).
17. Why benzene is less reactive than alkenes?
18. Write the oxidation reaction for the following alcohols:
OH
a) CH3-CH-CH2-CH3
b) CH3-CH2-CH2OH
OH
c) CH3-CH2-C-CH2-CH3
CH3
19. Complete these chemical equations:
a) CH3-CH2-CH2-NH2 + HCl →
b) CH3-CH2-SH + NaOH →
c)
OH + NaOH →
d)
COOH + NH3 →
Dr. Behrang Madani
Chemistry B11
Bakersfield College
20. Explain why each name is an incorrect IUPAC name. Write the correct IUPAC name for
each compound.
a) 2-ethylbutane
b) 4,5-dimethylhexane
c) 4-nitroaminobenzene
d) 3-propyl-1-pentene
21. What is the difference between the addition reactions and the substitution reactions? Give
an example for each reaction?
22. How soap clean?
23. Write the chemical equation with the products:
a) Dehydration – ethanol + heat with an acid catalyst produces?
b) Fischer esterification – ethanoic acid + Ethanol + acid catalyst produces?
c) Halogenation – 2-butene + bromine produces?
d) Combustion – Pentane + oxygen → ___________ + _________
(please balance the equation)
Dr. Behrang Madani
Chemistry B11
Bakersfield College