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Total questions: 125

Worksheet time: 3hrs 56mins

Name
Class
Date
1.

A reaction is most likely to occur when reactant particles collide with

a)

proper energy, only

b)

proper orientation, only

c)

both proper energy and proper orientation

d)

neither proper energy nor proper orientation

2.

Copper catalyses the reaction between zinc and dilute sulfuric acid.

Zn(s) + H2SO4(aq) → ZnSO4(aq) + H2(g)

Why does copper affect the reaction?

a)

Decreases the activation energy

b)

Increases the activation energy

c)

Increases the enthalpy of reaction

d)

Decreases the enthalpy of reaction

3.

According to collision theory, particles must collide with ____ and ____ for a reaction to occur.

a)

sufficient rate and sufficient energy

b)

sufficient surface area and correct orientation

c)

sufficient catalyst and sufficient energy

d)

sufficent energy and correct orientation

4.

More collisions correspond to a:

a)

faster reaction rate

b)

slower reaction rate

c)

unchanged reaction rate

5.

Which of the following would lead to a slower reaction rate?

a)

Place the reactants in hot water

b)

Place the products in an ice bath

c)

Place the reactants in an ice bath

d)

Stirring the reactants with a stirring rod

6.
What type of reaction is this?
a)
Endothermic
b)
Exothermic
7.
What are the two factors to look for when determining if the reaction is at equilibrium?
a)
Forward reaction rate is faster than the reverse and concentrations are equal
b)
Forward and reverse reaction rates are equal and concentration is conctant
c)
Forward and revers reaction rates are equal and concentration is equal
d)
Forward reaction rate is faster than the reverse and concentration is equal
8.
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
9.
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
10.
For the reaction...
SO2 + O2 ↔ SO3
If the concentration of SO2 is increased, the equilibrium of the reaction will shift ___________.↔
a)
left
b)
right
c)
left and right 
d)
neither left nor right
11.
For the reaction...
SO2 + O2 ↔ SO3
If the equilibrium shifts to the right, the concentration of SO3 will ___________.
a)
increase
b)
decrease
c)
remain the same
d)
double
12.
For the reaction...
heat  +  N2  +  O2  ↔  2NO
If  O2 is removed, the  concentration of N2 will _______.
a)
increase
b)
decrease
c)
remain the same
d)
double
13.
For the reaction...
heat  +  N2  +  O2  ↔  2NO
If the heat is added to the chemical system, the equilibrium will shift _______.
a)
left
b)
right
c)
left and right
d)
neither left nor right
14.
For the reaction...
heat  +  N2  +  O2  ↔  2NO
If the heat is removed to the chemical system, the equilibrium will shift _______.
a)
left
b)
right
c)
both left and right
d)
neither left nor right
15.
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
16.
For the reaction...
N2 (g) +  3 H2 (g) ↔ 2 NH3 (g)

If the pressure in the system is increased,  _______ reaction will be favored.
a)
 the forward
b)
the reverse
c)
neither
17.
2A + 3B  <---->  2AB
The forward reaction points towards the __________.
a)
left
b)
right
c)
up
d)
down
18.
What is the PE of the reactants?
a)
40 kJ
b)
20 kJ
c)
100 kJ
d)
60 kJ
19.
What is the PE of the products?
a)
40 kJ
b)
20 kJ
c)
100 kJ
d)
60 kJ
20.
What is the activation energy?
a)
40 kJ
b)
20 kJ
c)
100 kJ
d)
60 kJ
21.
What is the PE of the activated complex?
a)
40 kJ
b)
20 kJ
c)
100 kJ
d)
60 kJ
22.

What is the change of the heat of the reaction (ΔH)?

a)

40 kJ

b)

20 kJ

c)

-20 kJ

d)

-40 kJ

23.
Which letter represents the PE of the reactants?
a)
B
b)
A
c)
C
d)
D
24.
Which letter represents the PE of the products?
a)
B
b)
E
c)
C
d)
D
25.
Which letter represents the activation energy?
a)
B
b)
E
c)
C
d)
D
26.
Which letter represents the change of the heat of the reaction?
a)
B
b)
E
c)
C
d)
D
27.

A solution at equilibrium must be

a)

concentrated

b)

saturated

c)

unsaturated

d)

diluted

28.

At STP, which 4.0-gram zinc sample will react fastest with dilute hydrochloric acid?

a)

sheet metal

b)

powdered

c)

bar

d)

granules

29.

Which quantity can be changed by the use of a catalyst?

a)

I and II only

b)

I and III only

c)

II and III only

d)

I, II and III

30.

Which graph best represents the relationship between the average kinetic energy of molecules of a gas and temperature in K?

a)

A

b)

B

c)

C

d)

D

31.

Consider the reaction between gaseous iodine and gaseous hydrogen.

I2(g) + H2(g) ⇄ 2 HI(g) ΔH∅=-9 kJ

Why do some collisions between iodine and hydrogen not result in the formation of the product?

a)

The I2 and H2 molecules do not have sufficient energy.

b)

The system is in equilibrium.

c)

The temperature of the system is too high.

d)

The activation energy for this reaction is very low.

32.
If a catalyst is added to a system at equilibrium and the temperature and pressure remain constant, there will be no effect on the
a)
rate of the forward reaction
b)
activation energy of the reaction
c)
rate of the reverse reaction
d)
heat of reaction
33.
Two reactant particles collide with proper orientation.The collision will be effective if the particles have
a)
high activation energy
b)
high ionization energy
c)
sufficient kinetic energy
d)
sufficient potential energy
34.
A piece of Mg(s) ribbon is held in a Bunsen burnerflame and begins to burn according to the equation:
2Mg(s) + O2 (g)  −>   2MgO(s).
The reaction begins because the reactants
a)
are activated by heat from the Bunsen burner flame
b)
are activated by heat from the burning magnesium
c)
underwent an increase in entropy
d)
underwent a decrease in entropy
35.

Compared to the rate of inorganic reactions, the rate of organic reactions generally is

a)

slower because organic particles are ions

b)

slower because organic particles contain covalent bonds which take a long time to break

c)

faster because organic particles are ions

d)

faster because organic particles contain covalent bonds

36.
When one mole of a certain compound is formed from its elements under standard conditions, it absorbs 85 kiloJoules of heat. A correct conclusion from this statement is that the reaction has a
a)
ΔH equal to –85 kJ/mole
b)
ΔH equal to +85 kJ/mole
c)
 Δequal to –85 kJ/mole
d)
 Δequal to +85 kJ/mole
37.

What will happen if a catalyst is added to the system at equilibrium?
A + B <--> AB

a)

The equilibrium concentration of AB will increase.

b)

The equilibrium concentration of AB will decrease.

c)

The rates of the forward and reverse reactions will change.

d)

The equilibrium constant for the reaction will change.

38.

TRUE or FALSE.

All organic compounds are obtained from living organisms or "organic materials" while all inorganic compounds are obtained from earth's mineral constituents or "inorganic materials".

(a)  

39.

TRUE or FALSE.

All organic compounds are obtained from living organisms or "organic materials" while all inorganic compounds are obtained from earth's mineral constituents or "inorganic materials".

(a)  

40.

Carbon has (a)   valence electrons.

41.

Which of the two is an Organic Compound?

a)

b)

42.

____________ groups are atoms, groups of atoms or bond that determine the characteristic of an organic compound.

a)

Aliphatic

b)

Aromatic

c)

Functional

d)

Hydrocarbon

43.

Aliphatic hydrocarbons consist only single bonds, and so are called ____________ hydrocarbons.

a)

unsaturated

b)

saturated

c)

aromatic

d)

chain

44.

How many carbon atoms are in propane?

a)

1

b)

2

c)

3

d)

4

45.
Which molecular chemical bond found commonly in organic compounds?
a)
Hydrogen Bond
b)
Ionic Bond
c)
Van Der Waals Force 
d)
Covalent Bond
46.
Which of the following compounds is not organic?
a)
CH4
b)
CO
c)
C2H2
d)
CCl4
47.

How many hydrogens are missing from this extended structural formula?

a)

6

b)

7

c)

8

d)

9

48.

What is the condensed formula of this structure?

a)

CH3CH2CH2OH

b)

CH3COCH3

c)

CH3CH2CHO

d)

CH3OCH2CH3

49.
What is organic chemistry?
a)
chemistry relating to biological organisms
b)
chemistry involving carbon 
c)
chemistry involving micro-organisms
d)
chemistry involving oxygen
50.

What is the molecular formula for structure showed?

a)

C8H18

b)

C3H3

c)

C8H3

d)

C3H2(CH3)3

51.

How many single covalent bonds does benzene (C6H6) molecule have?

a)

3

b)

6

c)

9

d)

12

52.

Isomers are molecules that have the _________molecular formula (contain the same number of atoms) but ______ structurally (having different arrangement of the atoms in space).

a)

differ, differ

b)

same, differ

c)

same, same

d)

differ, same

53.

What is a functional group?

a)

Atoms or group of atoms that give specific characteristics to a molecule

b)

Group of molecules that make up a group of atoms

c)

Group of molecules that give specific characteristics to an atom

d)

Group of atoms that give specific characteristics to an element

54.

Classify the compound based on the functional group present.

a)

Ether

b)

Ketone

c)

Ester

d)

Carboxylic acid

55.

Compounds which only contain carbon and hydrogen are termed as

a)

hydrocarbons

b)

organic compounds

c)

inorganic compounds

d)

carbohydrogens

56.

Hydrocarbons that contain a delocalized ring of π-bonds such as benzene ring are called ___________ hydrocarbons.

a)

aromatic

b)

aliphatic

c)

organic

d)

cyclo

57.

Aliphatic hydrocarbons consist only single bonds, and so are called ____________ hydrocarbons.

a)

unsaturated

b)

saturated

c)

aromatic

d)

chain

58.

Hydrocarbons, the simplest family of carbon compounds, are made from these two elements:

a)

Hydrogen and Copper

b)

Helium and Carbon

c)

Hydrogen and Carbon

59.

Compounds that are composed of the same number and type of atoms but have them arranged in different ways are ___________.

a)

isomers

b)

isotopes

c)

polymers

d)

alkanes

60.

Which of the following would have the highest boiling point?

a)

C3H8

b)

C4H8

c)

C5H12

d)

C22H44

61.
How many carbon atoms are in methane?
a)
1
b)
2
c)
3
d)
4
62.
How many carbon atoms are in ethane?
a)
1
b)
2
c)
3
d)
4
63.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
64.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
65.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
66.

Is the name of doubled bonded, unsaturated hydrocarbons.

a)

Alkanes

b)

Alkenes

c)

Allkynes

d)

Tanins

67.

What is the name of this hydrocarbon?

a)

1 - butane

b)

1 - butene

c)

2 - butane

d)

2 - butene

68.

Which of the following shows the structure of propene?

a)
b)
c)
d)
69.

Which of the following shows the structure of ethene?

a)
b)
c)
d)
70.

What chemical is this? (C5H10)

a)

Pentene

b)

Pentane

c)

Hexane

d)

Heptene

71.

Choose the name of the compound

a)

4-octyne

b)

5-octyne

c)

4-octene

d)

5-octene

72.

Choose the name of the compound

a)

1-propene

b)

2-propene

c)

propane

d)

2-propyne

73.

Choose the name of the compound

a)

3-butyne

b)

2-butyne

c)

3-butene

d)

2-butene

74.

Choose the name of the compound

a)

2-pentyne

b)

3-pentyne

c)

2-pentene

d)

3-pentene

75.

Give IUPAC nomenclature for this compound

a)

2,7-dimethyl-5-ethyloctane

b)

5-ethyl-2,7-dimethyloctane

c)

2,7-dimethyl-3-ethyloctane

d)

4-ethyl-2,7-dimethyloctane

76.

Give the IUPAC name for this compound

a)

3-methyl-4-ethylhexane

b)

3-ethyl-4-methylhexane

c)

3-methyl-4-ethylheptane

d)

3-ethyl-4-methylheptane

77.

What functional group is shown?

a)

amino

b)

hydroxyl

c)

carboxyl

d)

sulfhydryl

78.

What functional group is shown?

a)

carbonyl

b)

hydroxyl

c)

carboxyl

d)

amino

79.

What functional group is shown?

a)

halide

b)

hydroxyl

c)

amino

d)

carboxyl

80.

Name this compound.

a)

Butanol

b)

Butene

c)

Oxybutanol

d)

Butanoic acid

81.

Name this compound.

a)

Nitroethane

b)

Ethylamine

c)

Aminoethane

d)

Ethamine

82.

The structural formula of ethyl 2-methylpropanoate is ...

a)

b)

c)

d)

83.

______________ are the chemicals which give fruits their smell.

a)

fructose

b)

lactose

c)

esters

84.

Which of the following can be broken down into a simpler substance?

a)

Elements

b)

Both Elements and Compounds

c)

Compounds

d)

None of the above

85.

What is the scientific study of carbon-containing compounds called?

a)

Organic Chemistry

b)

Inorganic Chemistry

c)

Biochemistry

d)

Physical Chemistry

86.

Which of the following is an example of an organic compound?

a)

CO2

b)

H2O

c)

Glucose

d)

NaCl

87.

Which of the following compounds is not made from living organisms?

a)

NaCl

b)

CHO2

c)

H2O

d)

NH2OH

88.

What is the main function of lipids?

a)

Defend against illness

b)

Build organelles

c)

Store energy

d)

Store genetic information

89.

Which of the following is a monomer?

a)

Carbohydrate

b)

Protein

c)

Nucleic Acid

d)

Hydrocarbon

90.

Which of the following is an example of a carbohydrate?

a)

Butter

b)

Cholesterol

c)

Meat

d)

Glucose

91.

What elements are present in proteins?

a)

C, H, O

b)

C, H, O, N

c)

C, H, O, N, P, S

d)

C, H, O, N, S

92.

What is the function of nucleic acids?

a)

Defend against illness

b)

Store genetic information

c)

Provide energy

d)

Build organelles

93.

How do you recognize an organic compound by its formula?

a)

Contains CHONS

b)

Contains CH

c)

Contains CHO

d)

Contains CHONPS

94.

Which of the following compounds is inorganic? Choose 2

a)

C6H12O6

b)

CH

c)

NaOH

d)

NH2OH

95.

What is the main function of carbohydrates?

a)

Defend against illness

b)

Store genetic information

c)

Build organelles

d)

Provide energy

96.

What is the main function of proteins?

a)

Provide energy

b)

Build organelles

c)

Defend against illness

d)

Store genetic information

97.

What is the main function of nucleic acids?

a)

Defend against illness

b)

Store genetic information

c)

Build organelles

d)

Provide energy

98.

Which of the following compounds is organic?

a)

NaCl

b)

C2H4O2

c)

CO2

d)

H2O

99.

The chemical element of atomic number 6, a nonmetal which has two main forms (diamond and graphite) and which also occurs in impure form in charcoal, soot, and coal.

a)

Carbon

b)

Oxygen

c)

Element

d)

Nitrogen

100.

Organic compounds that are made of only hydrogen and carbon atoms. They are found in many places, including crude oil and natural gas.

a)

Hydrocarbons

b)

Nucleic Acids

c)

Proteins

d)

Lipids/Fats

101.

They are the most abundant compounds found in living organisms, including polysaccharides which are polymers composed of many sugar building blocks. They are used by cells to get and store energy.

a)

Polymers

b)

Organic Compound

c)

Carbohydrates

d)

Carbon

102.

These are required for the structure, function, and regulation of the body's cells, tissues and organs. They help build organelles and help defend against illness.

a)

Lipids

b)

Proteins

c)

Polymers

d)

Monomers

103.

1 of the 4 main categories of organic compounds. They are responsible for storing genetic information.

a)

Compounds

b)

Elements

c)

Nucleic Acids

d)

Polymers

104.

A molecule, made from joining together many small molecules called monomers.

a)

Lipids

b)

Polymers

c)

Carbohydrates

d)

Monomers

105.

The scientific study of the structure, properties, and reactions of carbon containing compounds.

a)

Organic Chemistry

b)

Organic Compounds

c)

Inorganic Compounds

d)

Chemical Formula

106.

A substance formed when two or more chemical elements are chemically bonded together.

a)

Hydrocarbons

b)

Compound

c)

Element

d)

Nitrogen

107.

A compound that does not contain a carbon atom. It does include salts, metals, and other elemental compounds

a)

Organic Compound

b)

Inorganic Compound

c)

Monomers

d)

Carbohydrates

108.
Organic compounds are always based on what element?
a)
hydrogen
b)
water
c)
carbon
d)
arsenic
109.
Is this an example of an organic or inorganic compound?
a)
Organic
b)
Inorganic
110.
Is this an example of an organic or inorganic compound?
a)
Organic
b)
Inorganic
111.
Is this an example of an organic or inorganic compound?
a)
Organic
b)
Inorganic
112.
Is this an example of an organic or inorganic compound?
C56H58Cl14CuN16S4
a)
Organic
b)
Inorganic
113.
Is this an example of an organic or inorganic compound?
a)
Organic
b)
Inorganic
114.
What best describes this image shown?
a)
Inorganic molecule
b)
Organic molecule
115.
Is this an example of an organic or inorganic compound?
a)
Organic
b)
Inorganic
116.
Is this an example of an organic or inorganic compound?
a)
Organic
b)
Inorganic
117.
Organic or Inorganic? 
a)
Organic
b)
Inorganic
118.
Organic or Inorganic? 
a)
Organic
b)
Inorganic
119.
Organic or Inorganic? 
a)
Organic
b)
Inorganic
120.
Organic or Inorganic? 
a)
Organic
b)
Inorganic
121.
Organic or Inorganic? 
a)
Organic
b)
Inorganic
122.
Organic or Inorganic? 
a)
Organic
b)
Inorganic
123.
Organic or Inorganic? 
a)
Organic
b)
Inorganic
124.
Organic or Inorganic? 
a)
Organic
b)
Inorganic
125.
Organic or Inorganic? 
a)
Organic
b)
Inorganic

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