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STEHN Single Replacement

Total questions: 27

Worksheet time: 31mins

Name
Class
Date
1.

Based on the activity series, what are the predicted products of this reaction?

Br2 (l) + KI (aq) →

a)

KBr + I2

b)

KBr + I

c)

KBr2 + I

d)

No Reaction

2.

Which metal is the most active

a)

Cu

b)

Ag

c)

Na

d)

Li

3.

Predict the results: K + H2O -->

a)

K2OH

b)

KOH + H2

c)

K(OH)2

d)

N.R.

4.

Predict the results: ZnS + O2 -->

a)

ZnO2 + S2

b)

Zn2O + S

c)

ZnO + S

d)

N.R. (no reaction)

5.

Predict the results of: NaI + Br2

a)

Na2Br + I

b)

NaBr2 + I

c)

NaBr + I2

d)

N.R.

6.

Predict the results: Cu + HCl

a)

CuCl2 + H2

b)

CuCl + H2

c)

Cu2Cl + H2

d)

N.R.

7.
What are the products of this reaction: Fe + Na2CO?
a)
Na2 + Fe(CO3)2
b)
Na + CO3Fe
c)
Na + Fe2CO3
d)
No Reaction
8.
What is the generic formula for a single replacement reaction? 
a)
BC ---> CA B
b)
BC ---> BA
c)
BC ---> AC
d)
BC ---> AB
9.
Which element is highest in reactivity?
a)
Gold
b)
Lithium
c)
Lead
d)
Iron
10.
Based on the activity series, will this reaction occur?
Br2 (l) + KI (aq) →
a)
Yes
b)
No
11.

Based on the activity series, will this reaction occur?

Ni (s) + HCl (aq) →

a)

Yes

b)

No

12.

Based on the activity series, will this reaction occur?

Au (s) + HCl (aq) →

a)

Yes

b)

No

13.
What do we look at to determine if an element is strong enough to replace another element in a single replacement reaction?
a)
Solubility Rules 
b)
Ionic Charges
c)
It must be insoluble!
d)
Activity Series
14.
What are the products of this reaction: Fe + Na2CO?
a)
Na2 + Fe(CO3)2
b)
Na + CO3Fe
c)
Na + Fe2CO3
d)
No Reaction
15.
Will the following reaction take place? 
AuNO3 + Li ->
a)
yes 
b)
no
16.
Which compound is higher in reactivity, Ag or Ca?
a)
Ag
b)
Ca
c)
Neither
d)
They're equal
17.
What kind of reaction is this:
Fe + CuSO4 -> Cu + FeSO4
a)
Double Replacement
b)
Decompostion
c)
Single Replacement
d)
Combustion
18.
Which of the following general formulas represents a single-displacement reaction?
a)
AB → A + B   
b)
A + B → AB
c)
A + BC → AC + B
d)
AB + CD → AD + CB
19.

Predict the products of: NaI + B2B_2   \rightarrow  

a)

Na2Br + I

b)

NaBr2 + I

c)

NaBr + I2

20.

Predict the products for the this Single Replacement reaction:

K + HCl →

a)

KCl + H2

b)

KHCl

c)

KH + Cl2

d)

HCl + K2

21.

Which metal is least reactive, Sn or Cd?

a)

Sn

b)

Cd

c)

Neither

d)

They're equal

22.

What are the products of this single replacement reaction: Mg + CuSO4

a)

Cu + MgSO4

b)

Cu + Mg2SO4

c)

Cu + Mg(SO4)2

d)

No Reaction

23.

Will the following reaction take place?

Fe + H2SO4

a)

yes

b)

no

24.

What will be the products when Na reacts with H2O? Do not worry about balancing this.

a)

Na2O+ H2

b)

NaH+ H2O

c)

NaOH + H2

d)

NaOH + O2

25.

Based on the activity series, which metal could X represent in the reaction below?

X + Ca (NO3)2 --> Ca + X (NO3)2

a)

K

b)

Ba

c)

Mg

d)

Zn

26.
What are the products of this single replacement reaction: Mg + CuSO4
a)
Cu + MgSO4
b)
Cu + SO4Mg
c)
Cu + Mg(SO4)2
d)
No Reaction
27.
What kind of reaction is this:
Fe + CuSO4 -> Cu + FeSO4
a)
Double Replacement
b)
Decompostion
c)
Single Replacement
d)
Combustion