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Chemical Reaction Test Review

Total questions: 45

Worksheet time: 2hrs 0mins

Name
Class
Date
1.

What is the correct formula for iron(II) oxide?

a)

FeO

b)

FeO2

c)

Fe2O

d)

Fe2O2

2.

What is the correct name for AlBr3?

a)

aluminum bromide

b)

aluminum tribromide

c)

aluminum bromine

d)

monoaluminum tribromide

3.

What is the correct name for SiCl4?

a)

silicon tetrachloride

b)

silicon quadchloride

c)

monosilicon tetrachloride

d)

silicon chloride

4.

What type of reaction is represented?3KOH + H3PO4 → K3PO4 + 3H2O

a)

Synthesis

b)

Decomposition

c)

Single displacement

d)

Double displacement

5.

What type of reaction is represented? 3Mg + N2 → Mg3N2

a)

Synthesis

b)

Decomposition

c)

Single displacement

d)

Combustion

6.

What reactant is necessary for a combustion reaction?

a)

heat

b)

carbon dioxide

c)

oxygen

d)

water

7.

Balance the following reaction: _P4+_O2 → _P2O3

a)

3 P4+1 O2 → 2 P2O3

b)

1 P4+1 O2 → 2 P2O3

c)

1 P4+ 3 O2 → 2 P2O3

d)

1 P4+ 2 O2 → 3 P2O3

8.

Balance the following chemical reaction: _HCN + _ CuSO4 → _H2SO4 + _Cu(CN)2

a)

2 HCN + 1 CuSO4 → 1 H2SO4 +1Cu(CN)2

b)

1 HCN + 7 CuSO4 → 3 H2SO4 + 8 Cu(CN)2

c)

1 HCN + 2 CuSO4 → 1 H2SO4 + 2 Cu(CN)2

d)

1 HCN + 1 CuSO4 → 2 H2SO4 + 1 Cu(CN)2

9.

Balance the following chemical reaction: _BaS + _PtF2 → _BaF2 + _PtS

a)

1 BaS + 1 PtF2 → 1 BaF2 + 1 PtS

b)

4 BaS + 2 PtF2 → 1 BaF2 + 1 PtS

c)

1 BaS + 2 PtF2→ 2 BaF2 + 2 PtS

d)

1 BaS + 3 PtF2 →1 BaF2 + 2 PtS

10.

N2 + 3H2 → 2NH3

How many moles of N2 is needed to react with 6 moles of H2?

a)

6.7

b)

2.0

c)

3.0

d)

15.0

11.

4NH3 + 5O2 → 4NO + 6H2O

What is the total number of moles of NO produced when 1 mole of O2 is completely consumed?

a)

1

b)

1.2

c)

0.8

d)

4

12.
6CO2 + 6H2O → C6H12O6 + 6O2 
What is the total number of moles of CO2 needed to make 2 moles of C6H12O6?
a)
2.5
b)
6
c)
12
d)
15
13.
Determine the molar mass for carbon tetrachoride
a)
153.823 g/mol
b)
118.37 g/mol
c)
189.35 g/mol
d)
47.464  g/mol
14.
How many grams are in 1.2 x 1024 atoms of C?
a)
28 grams
b)
24 grams
c)
6.02 grams
d)
1.2 grams
15.
What is the molar mass of Gold (III) chloride?
a)
196.967 g
b)
626.354 g
c)
232.42 g
d)
303.326 g
16.
Which compound has the smallest molar mass?
a)
CO
b)
CO2
c)
H2O
d)
H2O2
17.
What is the molar mass of (NH4)2CO3 ?
a)
144 g
b)
138 g
c)
96 g
d)
78 g
18.
How many moles are in 3.01 x 1022 atoms of magnesium?
a)
0.050 moles
b)
1.81 x 1046 moles
c)
5.00 x 1021 moles
d)
5.00 moles
19.
What is the first thing you must do to solve a stoichiometry problem?
a)
Write a Balanced Equation
b)
Panic
c)
Write an Unbalanced Equation
d)
Avogadro's Number
20.

Balance the following reaction :


CaC₂(s) + H₂O(l) --> C₂H₂(g) + Ca(OH)₂(aq)

a)

1,2,2,2

b)

1,2,1,1

c)

2,1,1,1

d)

2,1,2,1

21.

2Al + 3H2SO4 → Al2(SO4)3 + 3H2

How many grams of aluminum sulfate would be formed if 250g H2SO4 completely reacted with aluminum?

a)

0.85 g

b)

290 g

c)

450 g

d)

870 g

22.
For the reaction represented by the equation Cl2 + 2KBr → Br2 + 2KCl, how many grams of potassium chloride can be produced from 356 grams potassium bromide?
a)
749 g
b)
225 g
c)
479 g
d)
814 g
23.

2H2 + O2 → 2H2O

How many moles of water can be produced if 2 grams H2 are used?

a)

4 grams

b)

8 grams

c)

16 grams

d)

36 grams

24.
Which of the following is the correct Lewis dot structure for the molecule fluorine (F2)?
a)
A
b)
B
c)
C
d)
D
25.
Which of the following is the correct Lewis structure for the compound PBr3?
a)
structure A
b)
structure B
c)
structure C
d)
structure D
26.

Which of the following elements will NOT be surrounded by an octet of electrons in a correctly drawn Lewis structure?

a)

carbon

b)

oxygen

c)

chlorine

d)

hydrogen

27.

Which of the following is an ionic bond?

a)

H3N

b)

CaCl2

c)

NO2

d)

SCl

28.

Choose the structure that forms a double bond.

a)

Carbon monoxide (CO)

b)

Carbon dioxide (CO2)

c)

Water (H2O)

d)

Cyanic Acid (HCN)

29.

Choose the structure that forms a triple bond.

a)

Hydrogen

b)

Fluorine

c)

Oxygen

d)

Nitrogen

30.

The chemical formula for an ionic compound of potassium and oxygen is

a)

KO.

b)

K2O.

c)

K2O2.

d)

KO2.

31.

The name of CaI₂ is

a)

calcium iodine

b)

carbon iodide

c)

calcium (II) iodide

d)

calcium iodide

32.

Which of the following would produce an cation?

a)

O

b)

N

c)

K

d)

F

33.

What is the correct formula for aluminium fluoride?

a)

Al3F3

b)

AlF

c)

Al3F

d)

AlF3

34.

The name of FeCl₂ is

a)

iron chloride

b)

iron (II) chloride

c)

iron (I) chloride

d)

iron dichloride

35.

Which of the following combinations would need roman numerals in the name?

a)

potassium + fluorine

b)

beryllium + oxygen

c)

boron + iodine

d)

gold + oxygen

36.
The covalent compound N2O5 would be named
a)
nitrogen oxide.
b)
dinitrogen oxide.
c)
nitrogen pentoxide.
d)
dinitrogen pentoxide.
37.
BrO3
a)
bromine oxide
b)
monobromine trioxide
c)
bromine trioxide
d)
bromine (III) oxide
38.

Which of the following molecules is the most polar?

a)

H − Cl

b)

H − Br

c)

H − I

d)

H − F

39.

Does the following reference Polar, Nonpolar, or both:

"slight positive and slight negative charge"?

a)

Polar

b)

Nonpolar

c)

Both

40.

Would an NO bond, be polar or nonpolar, or ionic?

The Electronegativity of N is 3.0

The Electronegativity of O is 3.5

a)

polar

b)

nonpolar

c)

ionic

41.
calcium phosphate
a)
CaPO4
b)
Ca2(PO4)3
c)
Ca3PO4
d)
Ca3(PO4)2
42.
Mg(OH)2
a)
magnesium dihydroxide
b)
magnesium hydroxide
c)
magnesium dioxygen dihydrogen
d)
magnesium oxyhydride
43.
Fe(NO3)2
a)
iron nitrate
b)
iron dinitrate
c)
iron(II) nitrate
d)
iron(I) nitrate
44.
Ba3(PO4)2
a)
tribarium diphosphate
b)
barium diphosphate
c)
barium phosphate
d)
barium phosphide
45.

Does the following reference Polar, Nonpolar, or both:

"unequal sharing of electrons"?

a)

Polar

b)

Nonpolar

c)

Both

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