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Worksheets

BIG CHEM QUIZ

Total questions: 145

Worksheet time: 3hrs 41mins

Name
Class
Date
1.
Give the name of this compound...
C3H8
a)
Propene
b)
Butane
c)
Butene
d)
Propane
2.

What is the molecular formula of ethane?

a)

C2H4

b)

C2H6

c)

C3H6

d)

C3H8

3.

Identify the compound with the formula C4H10.

a)

Butane

b)

Propane

c)

Ethane

d)

Methane

4.
What is the general formula of the alkynes?
a)
CnH2n+1
b)
CnH2n+2
c)
CnH2n-1
d)
CnH2n-2
5.
How many carbon atoms are in propane
a)
1
b)
2
c)
3
d)
4
6.

What chemical is this? (C5H10)

a)

Pentene

b)

Pentane

c)

Hexane

d)

Heptene

7.
The molecular formula for Heptane is
a)
C4H10
b)
C8H18
c)
C5H12
d)
C7H16
8.

Which of the following shows the structure of ethene?

a)
b)
c)
d)
9.

Which of the following shows the structure of propene?

a)
b)
c)
d)
10.

What is the name of this hydrocarbon?

a)

1 - butane

b)

1 - butene

c)

2 - butane

d)

2 - butene

11.
Which of the following could contain a triple bond?
a)
C4H10
b)
C4H8
c)
C4H6
d)
C4H12
12.
If an alkane has 20 carbon atoms, how many hydrogen atoms will it have?
a)
20
b)
22
c)
40
d)
42
13.
The "ane" ending in "alkane" tells someone that they are dealing with _________-bonded carbons.
a)
single
b)
double
c)
triple
d)
quadruple
14.
Hydrocarbons are compounds that contain
a)
Carbon, only
b)
Carbon and Hydrogen, only
c)
Carbon, Oxygen, and Hydrogen, only
d)
Carbon, Oxygen, Hydrogen, and Nitrogen, only
15.
General formula of Alkene is 
a)
CnH2n+2
b)
CnH2n
c)
CnH2n+1OH
d)
CnH2n+1COOH
16.

Which of these functional groups is a methyl?

a)

-COOH

b)

-CH3

c)

-PO4-

d)

-SH

17.
Name the compound.
a)
nonene
b)
2,2-dimethyl-3-heptene
c)
1,1,5-trimethyl-2-hexene
d)
2,6-dimethyl-3-heptene
18.
Name this structure.
a)
propanal
b)
propanol
c)
propanoic acid
d)
propanone
19.
Name this structure.
a)
propanal
b)
propanol
c)
propane
d)
propanone
20.
Name this structure.
a)
methanoic acid
b)
methanal
c)
methanol
d)
methanone
21.

What is the "ending" used in alcohols?

a)

al

b)

ol

c)

oilo

d)

alco

22.

What is the correct name for the alkyne shown?

a)

butyne

b)

1-butyne

c)

2-butyne

d)

1-methyl-1-propyne

23.

Name the functional group shown.

a)

sulfhydryl

b)

hydroxyl

c)

amine

d)

phosphate

24.

Name the compound based on the functional group present.

a)

ethanamine

b)

methanamine

c)

amino acid

d)

propanamine

25.

Name this structure.

a)

methylpropanoate

b)

methylethanoate

c)

ethylpropanoate

26.
a)

Amine

b)

Amide

c)

Neither

27.
a)

propan-2-amide

b)

hexanamide

c)

pentan-3-amide

d)

pentanamide

28.

This compound is an example of

a)

a primary amine

b)

a secondary amine

c)

a tertiary amine

d)

cannot be classified as a primary, secondary or tertiary amine

29.

A weak acid is one which....

a)

partially dissociates

b)

completely ionizes

c)

totally dissolves

d)

has a higher pH

30.

Esterification is an example of a...

a)

A condensation reaction

b)

An addition reaction

c)

A subtraction reaction

d)

An evaporation reaction

31.

What is the difference between aldehyde and ketones?

a)

position of C=O group

b)

position of C atoms

c)

the number of bonds carbon can form

d)

the number of oxygen atoms

32.

Name this molecule:

a)

Propanone

b)

Propanal

c)

Butanone

d)

Butanal

33.

Name this molecule and give its functional group.

a)

Carboxylic acid - propanoic acid

b)

Ester - methyl ethanoate

c)

Ester - ethyl methanoate

d)

Carboxylic acid - methyl ethanoic acid

34.
Hydrocarbons are compounds that contain
a)
  Carbon and Nitrogen
b)
Carbon and Hydrogen 
c)
  Carbon, and Oxygen
d)
Carbon, Oxygen, and  Hydrogen 
35.

What makes alkynes different from the other hydrocarbons?

a)

It is saturated

b)

It contains one or more double bonds

c)

It contains one or more triple bonds

d)

It contains the most amount of hydrogen

36.

Which of the following is the correct name for this hydrocarbon?

a)

Hexene

b)

2 - Hexene

c)

2,3 - Hexene

d)

3 - Hexene

37.

Carbon is able to bond with atoms of other elements in many different ways because it has

a)

six protons

b)

four electrons

c)

six valence electrons

d)

four valence electrons

38.

Which of these compounds has the maximum possible number of hydrogen atoms on its carbon chain?

a)

hydrocarbon with double bonds

b)

hydrocarbon with triple bonds

c)

saturated hydrocarbon

d)

unsaturated hydrocarbon

39.

How many chemical bonds can each carbon atom form?

a)

one

b)

two

c)

three

d)

four

40.

A very large organic molecule made up of chains of smaller molecules is called a

a)

monomer

b)

polymer

c)

saturated hydrocarbon

d)

substituted hydrocarbon

41.

Condensation reactions are accomplished by

a)

the removal of a water molecule and two smaller molecules are combined

b)

addition of a carbon dioxide from the carbon chain of two monomers

c)

the splitting of a covalent bond with a water molecule

d)

the transfer of an -OH group to an amine group

42.

Which of the following is 1-bromopropane?

a)
b)
c)
d)
43.

What is the name of this haloalkane?

a)

1-chloroethane

b)

2-chloroethane

c)

3-chloroethane

d)

2-chloropropane

44.

Name this haloalkane:

a)

1,1-difluoropropane

b)

1-difluoropropane

c)

1-fluorobutane

d)

difluorobutane

45.
The longer the hydrocarbon, the _______ the boiling point
a)
Lower
b)
Higher
46.
Which is the reactant - and why?
a)
A, as concentration decreases
b)
B, as concentration decreases
c)
A, as concentration increases
d)
B, as concentration increases
47.
At what time the reaction reached equilibrium?
a)
t1
b)
t2
c)
t3
d)
t4
48.
For the reaction...
SO2 + O2  <=>  SO3
If the concentration of SOis increased, the equilibrium position of the reaction will shift ___________.
a)
to the left
b)
to the right
c)
to the left and right 
d)
neither left nor right
49.
What is the Kc expression for this reaction?
   2 NO(g)  +  O2(g) ⇌  2 NO2(g)
a)
K= [NO2]2 / [NO][O2]
b)
K=  [NO][O2] / [NO2]2
c)
K= [NO][O2] [NO2]2
d)
K= [NO2]2 / [NO]2 +  [O2]
50.
Consider the following reaction:
2SO2(g) + O2(g) <=> 2SO3(g) 
ΔΗ = - 197 kJ mol -1
Which of the following will NOT shift the equilibrium position to the right?
a)
Adding more O2
b)
Adding a catalyst
c)
increasing the pressure
d)
Lowering the temperature
51.
Given: 2A(g) <=> 2B(g) + C(g). At a particular temperature, Kc = 16000.
Raising the pressure, by decreasing the volume of the container, will...
a)
cause the value of Kc to increase
b)
cause the value of Kc to decrease
c)
have no effect on the value of Kc as temperature does not change
d)
favour the forward reaction
52.
What are [A] and [B]?
a)
concentration of reactants
b)
concentration of products
c)
energy of reactants
d)
energy of products
53.
What is the equilibrium expression for:
Fe3O4(s) + 4H2(g) <=> 3Fe(s) + 4H2O(g)
Kc =
a)
[Fe][H2O]4  / [Fe3O4] [H2]4
b)
[Fe3O4] [H2]/  [Fe][H2O]4
c)
[H2O]4 / [H2]4
d)
[Fe] [H2O] / [Fe3O4] [H2]
54.
If the equilibrium constant is much greater than one (K >> 1) then
a)
Equilibrium is not established.
b)
Equilibrium lies to the right (products are favored)
c)
Equilibrium lies to the left (reactants are favored)
d)
Neither products or reactants are favored.
55.
If the equilibrium constant is much less than one (K << 1) then
a)
Equilibrium is not established.
b)
Equilibrium lies to the right (products are favored)
c)
Equilibrium lies to the left (reactants are favored)
d)
Neither products or reactants are favored.
56.
N2O4(g) ↔ 2 NO2(g)
What is the concentration equilibrium constant expression?
a)
K= [NO2]2/[N2O4]
b)
K= [N2O4]/[NO2]2
c)
K= [N2O4]2/[NO2]
d)
K= [NO2]/[N2O4]2
57.
Consider the following reaction. What would be the equilibrium constant expression?
4Br2(g) + CH4(g) ↔  4HBr(g) + CBr4(g)
a)
[Br2]4  [CH4]/ [HBr]4  [CBr4]
b)
[HBr]4 [CBr4]/ [Br2]4 [CH4]
c)
[HBr ]/ [Br2]4 [CH4]
d)
[HBr]4 [CBr4]/ [Br2]4 [CH]4
58.
2A + 3B  <---->  2AB
The forward reaction forms the substance __________.
a)
A
b)
B
c)
AB
d)
A + B
59.
For the reaction...
SO2 + O2  <−>  SO3
If the concentration of SOis increased, the equilibrium of the reaction will shift ___________.
a)
left
b)
right
c)
left and right 
d)
neither left nor right
60.
For the reaction...
SO2 + O2 <−>  SO3
If the equilibrium shifts to the right, the concentration of O2 will ___________.
a)
increase
b)
decrease
c)
remain the same
d)
double
61.
For the reaction...
heat  +  N2  +  O2  <−>  2NO
If  NO is removed  from the system, the concentration of N2 will _______.
a)
increase
b)
decrease
c)
remain the same
d)
double
62.
For the reaction...
H2 (g)  + Cl2 (g) <−>  2HCl (g)  +  heat
If the temperature is cooled, the _________ reaction will be favored.
a)
forward
b)
reverse
c)
forward and reverse
63.
For the reaction...
N2 (g) +  3 H2 (g) <−> 2 NH3 (g)

If the pressure in the system is increased,  which substance will increase in concentration?
a)
N2
b)
H2
c)
N2 and H2
d)
NH3
64.

What is the effect of increasing the pressure on the following equilibrium: 2NO(g) + O2 (g) ⇌2NO2(g)?

a)

The yield of NO2 increases

b)

The yield of NO2 decreases

c)

The reaction is slower

d)

The concentration of O2 increases.

65.
Which of the following is NOT true at equilibrium?
a)
The forward and reverse reactions proceed at the same rate.
b)
The concentrations of reactants and products do not change.
c)
The concentration of the reactants is equal to the concentration of the products.
d)
The forward and reverse reactions continue to occur.
66.
How do catalysts increase the rate of reaction?
a)
The frequency of collisions is the increased
b)
the activation energy is lowered
c)
the energy of collisions is increased
d)
Both the frequency and energy of collisions is increased
67.

If a solution has a [OH-] of 2.3x10-4, it must be a(n)...

a)

Acid

b)

Base

c)

Neutral

68.
If the pH of a solution is 5.6 the pOH is
a)
6.5
b)
12.4
c)
8.4
d)
5.6
69.
A  pH and a pOH will add up to:
a)
0
b)
7
c)
14
d)
1.0 x 10-14
70.
If the [OH-] of a solution is 2.7 x 10-4 mol/L the pOH of the solution is
a)
10.44
b)
3.56
c)
1.00
d)
-4.43
71.

If a solution has a [H+] of 9.3x10-11, what is the pH?

a)

10.0

b)

4.0

c)

3.5

d)

8.2

72.

What is the equation for calculating pH?

a)

pH = [H+]

b)

pH = log [H+]

c)

pH = -log[OH-]

d)

pH = -log [H+]

73.

The Kw at room temperature (25 degrees C) is equal to 1.0 x 10-14.  It can also be defined as:

a)

the pH and pOH of a solution

b)

the product of the hydronium ion and the hydroxide ion concentrations

c)

-log [hydronium ion]

d)

antilog -pH

74.

If the hydronium ion H3O+ concentration is equal to the hydroxide ion OH- concentration, the solution is a(n)

a)

acid

b)

base

c)

salt

d)

neutral solution

75.

What is the hydronium ion concentration of 4.0 M H2SO4?

a)

4.0 M

b)

8.0 M

c)

1.0 x 10-4 M

d)

2.5 x 10-15 M

76.

Kw = [OH- ][H3O+]

a)

Kw = 14

b)

Kw = 1 x 10-14

c)

Kw = 1 x 1014

d)

Kw = 0

77.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-5
d)
1-20
78.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
79.
Complete the sentence.
A substance that is more basic has a _____ pH than a substance that is acidic.
a)
lower
b)
higher
c)
the same
d)
none of the above
80.

In a test of pH levels, a baking soda has a pH of 9 and bleach has a pH of 12. What is true about there relationship?

a)

Both of the solution are Bases

b)

Both of the solution are Acids

c)

The Baking soda is an acid and the Bleach is a base

d)

The baking soda is a base and the Bleach is an Acid.

81.

What does pH measure?

a)

the amount of hydrogen (H+) ions

b)

the amount of hydroxide (OH-) ions

c)

amount of water

d)

all of the above

82.

Which of the following is the strongest acid?

a)

1

b)

5

c)

3

d)

8

83.
A neutralization reaction will always produce...
a)
water & salt
b)
water
c)
salt
d)
water & carbon
84.
What reaction occurs at the anode?
a)
Ag+ + e- →Ag
b)
Ag → Ag+ + e-
c)
Ni2+ + 2e- → Ni
d)
Ni → Ni2+ + 2e-
85.
Reduction happens at the 
a)
anode
b)
cathode
c)
salt bridge
d)
voltmeter
86.
This electrode loses mass 
a)
anode
b)
cathode
87.
Is calcium oxidized or reduced in the following reaction? 
2 CaO--> 2 Ca + O2
a)
Oxidized
b)
Reduced
88.
Which of the following half reactions correctly represents a reduction half reaction?
a)
Fe →Fe2+ + 2e-
b)
Pb4+ + 2e- →Pb2+
c)
2O-2 →O2 + 4e-
d)
Fe + 3e- →Fe3+
89.

Which energy conversion shown below takes place in a voltaic cell?

a)

Electrical to chemical

b)

Mechanical to chemical

c)

Mechanical to electrical

d)

Chemical to electrical

90.
In a voltaic cell the ions flow through the 
a)
wire
b)
salt bridge
91.
In a voltaic cell electrons flow
a)
through the salt bridge
b)
from the cathode to the anode through the wire
c)
from the anode to the cathode through the wire
92.
Which of the following reactions is balanced by both mass and charge?
a)
Fe+2 + Al →Fe + Al+3
b)
Cu + Fe+2 → Cu+1 + Fe+3
c)
F2 + Br- --> F- + Br2
d)
Fe+2 + 2 Cu --> 2 Cu+ + Fe
93.
Oxygen always has an oxidation number of...
a)
-1
b)
1
c)
2
d)
-2
94.
     In the reaction Zn + H2O --> ZnO2 + H2
 which element, if any, is oxidized? 
a)
Zinc
b)
Hydrogen
c)
Oxygen
d)
None
95.
Another name for a "oxidation-reduction" reaction is
a)
chemical reaction
b)
neutralization reaction
c)
redox reaction
d)
nuclear reaction
96.
What substance is oxidized in the following reaction?
4Fe + 3O2 --> 2Fe2O3
a)
Iron
b)
Fluorine
c)
Oxygen
97.
If in a reaction, copper is reduced; its number of electrons has:
a)
Increased
b)
Decreased
c)
Remained Constant
d)
Varies Randomly
98.
If an atom loses electrons during a chemical reaction, the atom was:
a)
Oxidized
b)
Reduced
c)
Neutralized
d)
Precipitated
99.
What is oxidation number of H in H2O?
a)
0
b)
-2
c)
-1
d)
+1
100.
What is the oxidation number of N in NO2-1?
a)
-3
b)
+4
c)
-2
d)
+3
101.
What is oxidation number of Fe in FeO ?
a)
+2
b)
-2
c)
0
d)
+1
102.
What is oxidation number of O in O2 ?
a)
0
b)
-2
c)
+1
d)
+2
103.

Which of the following represents oxidation?

a)

C → CH4

b)

Fe3+ → Fe2+

c)

Cl2 → 2Cl-

d)

Zn → ZnO

104.
Which statement is true:
Mg → Mg2+ + 2e
a)
Mg gains 2 electrons
b)
Mg2+ loses 2 electrons
c)
Mg loses 1 electron
d)
Mg loses 2 electrons
105.

In a redox reaction, spectator ions...

a)

become oxidised

b)

become reduced

c)

remain unchanged

106.

In a Galvanic Cell, the anode is...

a)

positive

b)

negative

107.

Reduction occurs at the...

a)

anode

b)

cathode

108.

In a Galvanic Cell, the salt bridge...

a)

completes the circuit so that electrons can flow through the wire

b)

maintains charge balance

c)

is soaked in an unreactive electrolyte such as KNO3

d)

all of the above

109.

In the above Galvanic Cell, which half cell is undergoing reduction?

a)

Cu | Cu2+

b)

Zn | Zn2+

110.

What is the direction of electron flow.

a)

From Zn to Cu through the external circuit

b)

From Zn to Cu through salt bridge

c)

From Cu to Zn through the external circuit

d)

From Cu to Zn through salt bridge

111.

What is an anode?

a)

It is the electrode where oxidation takes place.

b)

It is the electrode where reduction takes place.

c)

It is an aqueous solution containing an electrode.

d)

It is the salt bridge that connects half-cells.

112.

Consider the galvanic cell reaction Zn (s) + Cu2+ (aq) → Cu (s) + Zn2+ (aq) When the cell is running spontaneously, which is the only true statement?

a)

The copper electrode loses mass and the zinc electrode is the cathode.

b)

The copper electrode gains mass and the copper electrode is the cathode.

c)

The zinc electrode gains mass and the zinc electrode is the anode.

d)

The zinc electrode loses mass and the zinc electrode is the cathode.

113.

Primary alcohols oxidise to form first​ (a)   and then ​ (b)   .

Secondary alcohols oxidise to form​ (c)   .

Choose from the below words
aldehydes
acids
ketones
alcohols
esters
alkenes
carboxylic acids
aldehydes
114.

Match the following

a)

1.

This is not funny - grow up!

b)

2.

ketone

c)

3.

aldehyde

d)

4.

ester

e)

5.

acid

115.

Arrange from lowest to highest boiling point

a)

methane

b)

ethane

c)

ethanone

d)

ethanoic acid

e)

pentanoic acid

1)
2)
3)
4)
5)
116.

Which TWO things are needed to form an ester?

a)

ethanoic acid

b)

alcohol

c)

alkane

d)

ketone

e)

aldehyde

117.

Match each reactant with what it will make when added to an ALKENE

a)

Cl2

1.

Dichloroalkane

b)

HCl

2.

Chloroalkane

c)

Water

3.

Alcohol

d)

Hydrogen

4.

Alkane

e)

Br2

5.

Dibromoalkane

118.

Markovnikov's rule applies in​ (a)   reactions. The ​ (b)   will attach to the carbon with​ more hydrogens. The ​ (c)   will attach to the carbon with less hydrogens.​

Choose from the below words
hydrohalogenation
halogen
hydrogen
hydration
halogenation
hydroxyl group
119.

What will each of these reactants produce when added to an alkane in a substitution reaction?

a)

Halogen

1.

Haloalkane

b)

NaOH

2.

Alcohol

c)

Ammonia

3.

Amine

d)

KCN

4.

Nitrile

120.

Amide synthesis is a condensation reaction between which TWO compounds

a)

Carboxylic acid

b)

Amine

c)

Nitrile

d)

Amide

e)

Aldehyde

121.

Which TWO Addition reactions DO NOT require special conditions such as heat or catalysts?

a)

Halogenation

b)

Hydrohalogenation

c)

Hydrogenation

d)

Hydration

122.

Can you oxidise a tertiary alcohol

a)

Yes

b)

No

123.

Nitriles can be reduced to form an:

(a)  

124.

Primary protein stucture involves (a)   bonding

125.

secondary protein structure involves (a)   bonding

126.

polysaccharides are held together by (a)   bonds

127.

How many fatty acids bond to glycerol to form a fat?

a)

1

b)

2

c)

3

d)

4

128.

Match the following types of polypropylene to the arrangements of the methyl groups

a)

syntactic

1.

Alternating

sides

b)

isotactic

2.

all on same side

c)

atactic

3.

randomly arranged on the two sides

129.

Organize these options into the right categories

Categorize the following

Stronger

Many branches

Few branches

Weaker

More flexible

Less flexible

LDPE
HDPE
130.

Match the following

a)

sucrose

1.

glucose + fructose

b)

lactose

2.

Glucose + galactose

c)

amylose

3.

chain of glucose without branching

d)

amylopectin

4.

chain of glucose with branching

131.

Match the following types of fatty acids

a)

saturated

1.

NO double bonds

b)

mono- unsaturated

2.

One double bond

c)

Poly- unsaturated

3.

Multiple double bonds

132.

Amino acids are joined together by (a)   bonds

133.

Match the following protein structures

a)

Primary

1.

Covalent bonding

b)

Secondary

2.

Hydrogen bonding

c)

Tertiary

3.

Many different types of bonding

d)

Quaternary

4.

Bonding between chains

134.

Which two types of linkages are found in amylopectin

a)

1-2

b)

1-3

c)

1-4

d)

1-6

135.

In the Haber process AND contact process, what is the effect of each of these changes?

Categorize the following

Low temperature

High pressure

High temperature

Use of catalyst

Improves yield + slows rate
improves yield and rate
Increases rate but reduces yeild
Increases rate, no effect on yield
136.

The Haber process is the name we give to the industrial production of

a)

Ammonia

b)

Sodium Hydroxide

c)

Salt

d)

Soap

137.

Which equation represents the formation of ammonia

a)

N2 + H2 ₋> NH3

b)

N + 3H ₋> NH3

c)

N2 + 3H2 ₋> NH3

d)

N2 + 3H2 ₋> 2NH3

138.

Nitrogen + hydrogen −> ammonia is exothermic . What will happen if we increase the temperature

a)

The reaction will slow down

b)

There will be no change in ammonia production

c)

Less ammonia will be produced

d)

More ammonia will be produced

139.

If we increase the pressure, what will happen to the reaction

a)

It will slow down

b)

More ammonia will be produced

c)

Less ammonia will be produced

d)

Nothing will change

140.

What are the optimum conditions for the Haber process?

a)

200 atm and 450°C

b)

450 atm and 200°C

c)

2 atm and 450oC

d)

4 atm and 250oC

141.

What is the effect of increasing the pressure of a Haber process?

a)

Equilibrium shifts to the left, more ammonia is produced

b)

Equilibrium shifts to the left, less ammonia is produced

c)

Equilibrium shifts to the right, less ammonia is produced

d)

Equilibrium shifts to the right, more ammonia is produced

142.

The Contact process is used for the manufacture of...

a)

Sulfur

b)

Sulfur dioxide

c)

Sulfur trioxide

d)

Sulfuric acid

143.

What are the conditions used in the Contact process?

a)

1 atm1\ atm and 450 °C450\ \degree C

b)

200 atm200\ atm and 450 °C450\ \degree C

c)

450 atm450\ atm and 1 °C1\ \degree C

d)

450 atm450\ atm and 200 °C200\ \degree C

144.

What is the name of manufacturing process of sulfuric acid?

a)

contact

b)

frasch

c)

haber

d)

ostwald

145.

Why is the contact process performed at atmospheric pressure.

(MULTIPLE CORRECT ANSWERS)

a)

Low pressure gives a better yield

b)

Saves the expense of high pressure

c)

Avoids the risk of high pressure

d)

It works perfectly well at low pressure

e)

Low pressure gives a faster reaction rate