Chem 051 - Fundamentals of Chemistry » Winter 2021 » Exam 4
Need help with your exam preparation?
Get Answers to this exam for $6 USD.
Get Answers to all exams in [ Chem 051 - Fundamentals of Chemistry ] course for $25 USD.
Existing Quiz Clients Login here
Question #1
The correct name for an aqueous solution of H2SO4 is
A.
sulfuric acid
B.
hydrosulfuric acid
C.
hydrosulfurous acid
D.
none of these
E.
sulfurous acid
Question #2
The correct name for an aqueous solution of H2CO3 is
A.
hydrocarbonic acid
B.
carbonate acid
C.
hydrocarbonous acid
D.
carbonous acid
E.
carbonic acid
Question #3
The name for HBrO3(aq) is
A.
hydrogen bromous acid
B.
perbromic acid
C.
bromic acid
D.
hypobromous acid
E.
bromous acid
Question #4
A mixture of sand and water is a(n) ______________.
A.
solvent
B.
solution
C.
none of these
D.
aqueous solution
E.
solute
Question #5
Indicate the total number of isomers in the following compound: C4H10
A.
5
B.
6
C.
8
D.
2
E.
4
Question #6
The general name given to hydrocarbons with triple bonds is
A.
alkenes
B.
unsaturated hydrocarbons
C.
alkanes
D.
aromatic hydrocarbons
E.
alkynes
Question #7
True or false? Cyclohexane is an example of an alkane.
A.
FALSE
B.
TRUE
Question #8
Name the following molecule. CH3 – (CH2)7 – CH3
A.
decane
B.
octane
C.
hexane
D.
nonane
E.
heptane
Question #9
A solution has [H+] = 4.8 X 10–3 M. The [OH–] in this solution is
A.
4.8 x 10-17 M
B.
1.0 10–14 M
C.
4.8 x 1011 M
D.
none of these
E.
2.1 X 10-12 M
Question #10
A solution where [H+] = 10-13 M is ______________.
A.
basic
B.
neutral
C.
strongly acidic
D.
two of these
E.
acidic
Question #11
The correct name for an aqueous solution of HC2H3O2 is
A.
hydrocarbonate acid
B.
none of these
C.
hydroacetic acid
D.
acetic acid
E.
hydrocarbonic acid
Question #12
The name for HCN(aq) is ______________.
A.
hydrocyanic acid
B.
acetic acid
C.
hydrocarbonous acid
Question #13
The name for the acid HC2H3O2 is ______________.
A.
hydrocyanic acid
B.
sulfuric acid
C.
acetic acid
Question #14
The name for HCN(g) is ______________.
A.
hydrocyanic acid
B.
hydroacetic acid
C.
hydrogen cyanide
Question #15
Classify the following reaction: HNO3(aq) + KOH(aq) → KNO3(aq) +H2O(l)
A.
precipitation
B.
combustion
C.
none of these
D.
acid-base
E.
oxidation-reduction
Question #16
True or false? A straight-chain saturated hydrocarbon cannot contain more than 10 carbon atoms.
A.
TRUE
B.
FALSE
Question #17
The formula for chlorous acid is
A.
HClO.
B.
HClO3.
C.
HClO4.
D.
HClO2.
E.
HCl.
Question #18
True or false? Hexene has the formula C6H14 in which all the bond angles are 109.5o.
A.
TRUE
B.
FALSE
Question #19
True or false? Carbon can form single and double bonds with other atoms, but not triple bonds.
A.
TRUE
B.
FALSE
Question #20
The name for the acid HNO3 is ______________.
A.
nitric acid
B.
acetic acid
Question #21
CH3C≡CCH2CH2Cl is named
A.
5-chloro-2-pentene
B.
5-chloro-2-pentyne
C.
1-chloro-3-pentene
D.
1-chloro-3-pentyne
E.
1-acetylenyl-3-chloropropane
Question #22
True or false? When carbon has four atoms bound to it, these atoms will have a square planar arrangement about the carbon, where every angle is 900.
A.
TRUE
B.
FALSE
Question #23
Which of the following ionic compounds is INSOLUBLE in water?
A.
KI
B.
LiNO3
C.
(NH4)2CO3
D.
AgBr
E.
CuSO4
Question #24
The name for the acid H2SO3 is
A.
sulfurous acid
B.
hydrosulfurous acid
C.
sulfurite acid
D.
hydrosulfuric acid
E.
sulfuric acid
Question #25
When the following equation is balanced, what is the coefficient for H2O? __Ca(OH)2(aq) + __H3PO4(aq) → __Ca3(PO4)2(s) + __H2O(l)
A.
3
B.
4
C.
6
D.
2
E.
8
Question #26
A solution has [OH–] = 5.3 X 10–4 M. The pH of this solution is
A.
3.28
B.
5.32
C.
10.72
D.
3.45
Question #27
Calculate the [H+] in a solution that has a pH of 5.51.
A.
3.1 X 10-6 M
B.
5.51
C.
8.49
D.
3.1 X 10+6 M
Question #28
True or false? Those compounds whose carbon-carbon bonds are all single bonds are said to be unsaturated.
A.
TRUE
B.
FALSE
Question #29
In what type of reaction is water always a product?
A.
decomposition
B.
precipitation
C.
oxidation
D.
synthesis
E.
acid-base
Question #30
Give the name of the molecule CH3CH=CHCH2CH3.
A.
2-heptane
B.
2-pentene
Question #31
Name the following: CH3(CH2)7 CH3
A.
hexane
B.
heptane
C.
decane
D.
nonane
E.
octane
Question #32
All the following oxoacids and names 1. H2SO3 sulfurous acid 2. HBrO2 bromous acid 3. H2CO3 carbonic acid is (are) correct EXCEPT
A.
2 only
B.
1 and 2 only
C.
3 only
D.
1 only
E.
1, 2, and 3
Question #33
The correct name for an aqueous solution of HBr is
A.
hydrobromous acid
B.
hypobromous acid
C.
bromic acid
D.
hypobromic acid
E.
hydrobromic acid
Question #34
An aqueous solution of HF would be named
A.
hypofluorous acid
B.
perfluoric acid
C.
none of these
D.
hydrogen fluoride
E.
hydrofluoric acid
Question #35
A solution with a pH of 2 is how many times more acidic as a solution with a pH of 5?
A.
0.4
B.
10000
C.
7
D.
3
E.
1000
Question #36
The correct name for HClO4(aq) is ______________.
A.
bromic acid
B.
hydroacetic acid
C.
perchloric acid
Question #37
A substance that, when dissolved in water, produces a solution that conducts electric current very efficiently is called
A.
a weak electrolyte
B.
an electrical solute
C.
a strong electrolyte
D.
a strong ion
E.
none of these
Question #38
The correct name for an aqueous solution of H3PO4 is
A.
phosphoric acid
B.
phosphorous acid
C.
hydrophosphorus acid
D.
phosphate acid
E.
hydrophosphoric acid
Question #39
The name for HCl(aq) is ______________.
A.
hydrochloric acid
B.
hydrobromic acid
Question #40
Solid calcium hydroxide is dissolved in water until the pH of the solution is 10.21. The hydroxide ion concentration [OH–] of the solution is
A.
6.1 X 10-4 M
B.
3.79
C.
1.6 X 10-4 M
D.
1.6 X 10 M
Question #41
An oven-cleaning solution is 40.0% (by mass) NaOH. If one jar of this product contains 466 g of solution, how much NaOH does it contain?
A.
11.7 g
B.
18.6 g
C.
none of these
D.
186 g
Question #42
Which of the following is the correct formula for perbromic acid?
A.
HBrO2(aq)
B.
HBrO(aq)
C.
HBrO3(aq)
D.
HBrO4(aq)
Question #43
Cyclobutane has 109.5° bond angles like all alkanes.
A.
FALSE
B.
TRUE
Question #44
In soda pop, CO2(g) is a ______________, and water is the ______________.
A.
solute; solution
B.
solvent; solution
C.
solvent; solute
D.
solution; solute
E.
solute; solvent
Question #45
All the following compounds are soluble in water EXCEPT
A.
AgCl.
B.
CuCl2.
C.
LiCl.
D.
NH4Cl.
E.
CsCl.
Question #46
A.
In a neutral solution, [H+] = [OH-]
B.
In an acidic solution, [H+] > [OH-]
C.
In a basic solution,[OH-] > [H+]
D.
In an acidic solution, [H+] > [OH-], In a basic solution,[OH-] > [H+], and In a neutral solution, [H+] = [OH-] .
E.
None of the above statements are correct.
Question #47
What is the correct formula for the saturated alkane that contains nine carbon atoms?
A.
C9H16
B.
C9H20
C.
C9H9
D.
C9H18
Question #48
You have 250.0 mL of 4.00 M sugar solution. You add 324.0 mL of water to this solution. Determine the concentration of the sugar solution after the water has been added.
A.
4.00 M
B.
1.99 M
C.
2.48 M
D.
1.74 M
Question #49
The reaction AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq) is a(n) ______________ reaction.
A.
single-replacement
B.
acid-base
C.
precipitation
D.
oxidation-reduction
Question #50
All the following compounds are insoluble in water EXCEPT
A.
CuCO3.
B.
Fe(NO3)2.
C.
CaCO3.
D.
BaSO4.
Question #51
You have 25.00 mL of a 0.1000 M sugar solution. How much water must be added to make a 0.01746 M solution?
A.
20.6 mL
B.
118.2 mL
C.
4.37 mL
D.
143.2 mL
Question #52
When a precipitation (solid formation) reaction occurs, the ions that do not form the precipitate
A.
are left dissolved in the solution
B.
are cations only
C.
form a second insoluble compound in the solution
D.
evaporate
Question #53
The name for the acid HNO2 is
A.
nitric acid
B.
hydronitrous acid
C.
nitrous acid
D.
hydronitric acid
Question #54
A solution is prepared by dissolving 9.48 g of Na2SO4 in enough water to make 225 mL of solution. Calculate the solution molarity.
A.
2.13 M
B.
0.0667 M
C.
0.297 M
D.
0.641 M
E.
Question #55
True or false? To prepare 20.0 mL of a 2.00 M solution of hydrochloric acid from a 10.0 M stock solution, you should take 4.00 mL of the stock solution and add 20.0 mL of water.
A.
FALSE
B.
TRUE
Question #56
A solution is prepared by dissolving 104.1 g HCl(g) in enough water to make 150.0 L of solution. The pH of this solution is
A.
12.28
B.
1.72
C.
2.86
D.
0.159
Question #57
True or false? In an unsaturated hydrocarbon, the carbon-carbon bond angles are always 120o.
A.
TRUE
B.
FALSE
Question #58
Name the molecule CH3C≡CCH2CH3.
A.
2-heptane
B.
2-pentyne
Question #59
A solution has [OH–] = 2.7 X 10–7 M. The [H+] in this solution is
A.
3.7 X 107 M
B.
3.7 X 108 M
C.
7.3 X 10-8 M
D.
3.7 X 10-8 M
Question #60
The total mass of a solution is 184.4 g. The solvent mass is 125.2 g. What is the mass percent of the solute?
A.
21.5%
B.
67.9%
C.
43.1%
D.
32.1%
Question #61
All the following salts are insoluble EXCEPT
A.
lead(II) sulfate.
B.
lead(II) sulfide.
C.
lead(II) nitrate.
D.
lead(II) carbonate.
Need help with your exam preparation?
Get Answers to this exam for $6 USD.
Get Answers to all exams in [ Chem 051 - Fundamentals of Chemistry ] course for $25 USD.
Existing Quiz Clients Login here