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Test 5 - CHM 152 review

Total questions: 70

Worksheet time: 2hrs 7mins

Name
Class
Date
1.
What do these symbols represent?
a)
alpha particle
b)
beta particle
c)
neutron
d)
gamma ray
2.
How many neutrons are in this isotope of Uranium?
a)
235
b)
92
c)
327
d)
143
3.
What type of nuclear equation is this?
a)
fusion
b)
fission
c)
alpha
d)
beta
4.
What happens to the atomic number during alpha decay?
a)
The atomic number decreases by 4
b)
The atomic number increases by 1
c)
The atomic number decreases by 2.
d)
The atomic number stays the same.
5.
What would two different isotopes of an atom have in common?
a)
Number of neutrons 
b)
Number of protons
c)
Atomic weight 
d)
Atomic mass
6.
What happens when the number of protons in an atom changes? 
a)
The number of electrons changes too 
b)
Usually nothing happens, unless the atom is radioactive 
c)
The atomic nucleus explodes
d)
It becomes a completely different atom, with different properties 
7.
In what part of an atom can protons be found? 
a)
Inside the electrons
b)
Inside the neutrons 
c)
Inside the atomic nucleus 
d)
 Inside the electron shells
8.
What element is the ?
a)
Ag-115
b)
Cd-115
c)
Pd-115
d)
Not Listed
9.
Which type of nuclear radiation is being emitted here?
a)
alpha
b)
beta
c)
gamma
d)
none
10.
Which type of nuclear radiation is being emitted here?
a)
Alpha
b)
beta
c)
gamma 
d)
none
11.
Balance the following equation:
146C --> 0-1e + ________
a)
145B
b)
146C
c)
147N
d)
42He
12.
What type of reaction is this?
a)
alpha
b)
beta
c)
gamma
d)
quiet
13.

Identify Z in this equation:

a)

electron

b)

positron

c)

alpha particle

d)

proton

e)

neutron

14.
How many hydrogens does butane have?
a)
6
b)
8
c)
10
d)
12
15.
How many hydrogens does hexene have?
a)
10
b)
12
c)
14
d)
16
16.
How many hydrogens does propyne have?
a)
4
b)
6
c)
8
d)
10
17.

What is the IUPAC nomenclature of this structure?

a)

1,2,3-trimethylcyclopropane

b)

1-methyl-2-methyl-3-methylcyclopropane

c)

1,2,3-trimethylcyclopropyl

d)

1,2,3-trimethylpropane

18.

What is the IUPAC nomenclature of this structure?

a)

2-methyl-1-chlorobutane

b)

1-chloro-2-methylcyclobutane

c)

1-chloro-2-methylbutane

d)

2-methyl-1-chlorocyclobutane

19.

What is the IUPAC nomenclature of this structure?

a)

2-ethyl-1-chloro-3-methylcyclohexane

b)

1-methyl-3-chloro-2-ethylcyclohexane

c)

1-chloro-2-ethyl-3-methylcyclohexane

d)

3-chloro-2-ethyl-1-methylcyclohexane

20.

What is the IUPAC nomenclature of this structure?

a)

1-methylbutane

b)

1-methylcyclopentane

c)

1-methylcyclobutane

d)

1-methylpentane

21.

How many hydrogens in ethane?

a)

2

b)

6

c)

8

d)

10

22.

Name the structure shown in the image:

a)

Pentene

b)

Pent-1-ene

c)

Pent-2-ene

d)

Pent-4-ene

23.

Name the structure shown in the image:

a)

Ethene

b)

Ethane

c)

Ethyne

d)

Ethanamine

24.

Choose the correct structure for Propene below:

a)
b)
c)
d)
25.

Name the structure shown in the image:

a)

Propane

b)

Hexane

c)

Heptane

d)

Octane

26.

Name the structure shown in the image:

a)

Hex-2-ene

b)

Hex-3-ene

c)

Hexane

d)

Hen-1-ene

27.

Name the structure shown in the image:

a)

But-1-ene

b)

But-4-yne

c)

But-2-yne

d)

But-1-yne

28.

Name the structure shown in the image:

a)

Oct-1-yne

b)

Oct-6-yne

c)

Octane

d)

Oct-1-ene

29.

How many carbon atoms are in decane?

a)

4

b)

6

c)

8

d)

10

30.
Name this alkane
a)
Methane
b)
Ethane
c)
Propane
d)
Butane
31.

What is the molecular formula of butene?

a)

C4H4

b)

C4H6

c)

C4H8

d)

C4H10

32.

Name the structure shown in the image:

a)

Hex-2-ene

b)

Hex-3-ene

c)

Hexane

d)

Hen-1-ene

33.

Which of the following is the correct formula for a pentyne?

a)

C5H8

b)

C5H10

c)

C5H12

d)

C5H11OH

34.

What type of decay is shown in this equation?

a)

alpha decay

b)

beta decay

c)

gamma emission

35.

What particle completes this reaction?

a)
b)
c)
d)
36.
Solve this equation for alpha decay.
85209At = ___ + 24He
a)
83205Bi
b)
86209Rn
c)
81207Tl
d)
85208At
37.
Solve this equation for beta decay.
614C = ___ + -10e
a)
410Be
b)
714N
c)
210He
d)
613C
38.
What particle completes this reaction?
a)
alpha particle
b)
beta particle
c)
gamma particle
d)
neutron
39.
Solve this equation for beta decay.
6027Co = ___ + 0-1e
a)
5625Mn
b)
6028Ni
c)
5823V
d)
5927Co
40.
Solve this equation for alpha decay.
20985At = ___ + 42He
a)
20583Bi
b)
20986Rn
c)
20781Tl
d)
20885At
41.

What particle completes this reaction?

a)

42He

b)

0-1 e

c)

00Y

d)

178O

42.

What particle completes this reaction?

a)

42He

b)

0-1 e

c)

00γ

d)

178O

43.

What particle completes this reaction?

a)

42He

b)

0-1 e

c)

00Y

d)

178O

44.

Electrons always flow from

a)

cathode to anode

b)

anode to cathode

45.

Oxidation occurs at the

a)

anode

b)

cathode

46.

Electrons are gained at the

a)

anode

b)

cathode

47.

Given their standard reduction potentials, which of the species is going to be oxidized?

Cu2+/Cu = 0.34V

Zn2+/Zn = -0.76V

a)

Cu

b)

Zn

c)

CuSO4

d)

ZnSO4

48.
An iron nail is put into a solution of copper nitrate, iron is above copper in the activity series of metals, what will happen?
a)
iron will be reduced
b)
bubbles of oxygen gas will form on iron nail
c)
the iron nail will become copper plated
d)
no reaction occurs
49.

What reaction occurs at the anode?

Ag+/Ag = 0.80V

Ni2+/Ni = -0.25V

a)

Ag+ + e- →Ag

b)

Ag → Ag+ + e-

c)

Ni2+ + 2e- → Ni

d)

Ni → Ni2+ + 2e-

50.

What would be the theoretical cell potential of the previous electrochemical cell?

Ag+/Ag = 0.80V

Ni2+/Ni = -0.25V

a)

1.05V

b)

-1.05V

c)

0.55V

d)

-0.55V

51.

What is a redox reaction?

a)

A reaction where both reactants get reduced.

b)

A reaction where both reactants get oxidized.

c)

A reaction that involves a transfer of electrons between reactants.

d)

A reaction that involves the combustion of at least one reactant.

52.

What is reduction?

a)

It is the gain of electrons.

b)

It is the loss of electrons.

c)

It is the creation of electrons.

d)

It is the destruction of electrons.

53.

What is oxidation?

a)

It is the gain of electrons.

b)

It is the loss of electrons.

c)

It is the creation of electrons.

d)

It is the destruction of electrons.

54.

What is a reducing agent?

a)

It is the species that gets reduced -- gains electrons.

b)

It is the species that gets oxidized -- loses electrons.

c)

It is the species that creates electrons.

d)

It is the species that destroys electrons.

55.

What is an oxidizing agent?

a)

It is the species that gets reduced -- gains electrons.

b)

It is the species that gets oxidized -- loses electrons.

c)

It is the species that creates electrons.

d)

It is the species that loses electrons.

56.

As an element is oxidized, its oxidation number

a)

decreases as electrons are lost

b)

increases as electrons are lost

c)

decreases as electrons are gained

d)

increases as electrons are gained

57.

The reaction 2NaCl → 2Na + Cl2 is an example of

a)

a reduction reaction, only

b)

both an oxidation and reduction reaction

c)

an oxidation reaction, only

d)

neither an oxidation nor a reduction reaction

58.

Mg + PbCl2 → MgCl2 + Pb

Which statement correctly describes the oxidation and reduction that occur?

a)

Mg is oxidized and Pb+2 is reduced

b)

Mg is oxidized and Cl- is reduced

c)

Mg is reduced and Cl- is oxidized

d)

Mg is reduced and Pb+2 is oxidized

59.

In the reactions

Sn+2 + 2Fe+3 --> Sn+4 + 2Fe+2,

the reducing agent is

a)

Fe+3

b)

Sn+2

c)

Sn+4

d)

Fe+2

60.

Pb + 2Ag+ → Pb+2 + 2Ag


The chemical species being reduced is

a)

Ag

b)

Pb

c)

Pb+2

d)

Ag+

61.

In the reactions


Sn+2 + 2Fe+3 → Sn+4 + 2Fe+2


the oxidizing agent is

a)

Sn+4

b)

Sn+2

c)

Fe+3

d)

Fe+2

62.

Galvanic cells convert

a)

mechanical energy in to electrical energy

b)

potential energy in to electrical energy

c)

electrical energy in to chemical energy

d)

chemical energy in to electrical energy

63.
Calculate the cell potential of voltaic cell
a)
–1.51
b)
- 0.03
c)
+0.03
d)
+1.51
64.
Calculate the cell potential of voltaic cell
a)
–1.60 V
b)
+1.60 V
c)
–3.12 V
d)
+3.12 V
65.

Given the standard reduction potentials, Eo of iron is -0.44V and Eo of oxygen is 1.23V.

what will be the emf of the cell?

a)

-0.79V

b)

-1.67V

c)

1.67V

d)

0.79V

66.

Nernst equation for an electrode is based on the variation of electrode potential of an electrode with

a)

Temperature

b)

Concentration of electrolyte

c)

Both a & b

d)

Density of the electrodes

67.

What is the Nernt Equation for the following reaction?

2Al (s) + 6H+ (aq) →\rightarrow   2Al3+ (aq) + 3H2 (g)

a)

Ecell = E0cell - RTnF\frac{RT}{nF}  ln [Al3+]2[H+]6\frac{\left[Al^{3+}\right]^2}{\left[H^+\right]^6}  

b)

Ecell = E0cell - RTnF\frac{RT}{nF}  ln [H+]6[Al3+]2\frac{\left[H^+\right]^6}{\left[Al^{3+}\right]^2}  

c)

Ecell = E0cell - RTnF\frac{RT}{nF}  ln [H+]6[Al3+]2 (PH2)3\frac{\left[H^+\right]^6}{\left[Al^{3+}\right]^2\ \left(P_{H_2}\right)^3}  

d)

Ecell = E0cell - RTnF\frac{RT}{nF}  ln [Al3+]2  (PH2)3[H+]6\frac{\left[Al^{3+}\right]^2\ \ \left(P_{H_2}\right)^3}{\left[H^+\right]^6}  

68.

What is the prefix used when referring to ring structures?

a)

Pyro-

b)

Aro-

c)

Cyclo-

d)

None of the above

69.

Which of the following prefixes represents "7"?

a)

prop-

b)

but-

c)

hept-

d)

pent-

70.

Which of the following is the most saturated hydrocarbon?

a)

Alkanes

b)

Alkenes

c)

Alkynes

d)

Arenes

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