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Redox Balancing Practice (acid solution)

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

In reaction #4 which element was reduced?

a)

Mn

b)

Fe

c)

O

d)

H

2.

In reaction #4 how many electrons did Fe lose?

a)

3 electrons

b)

2 electrons

c)

1 electron

d)

gained 3 electrons

3.

In reaction #1 in the balanced equation (final) how many tin (Sn) atoms are in both sides of the reaction?

a)

3 atoms

b)

1 atom

c)

2 atoms

d)

14

4.

In reaction #1 in the balanced equation (final) how many Hydrogen atoms are on both sides of the reaction?

a)

14 atoms

b)

7 atoms

c)

3 atoms

d)

2 atoms

5.

In reaction #1, which element was oxidized?

a)

Sn

b)

Cr

c)

H

d)

O

6.

In reaction #2 which is the oxidation number of Nitrogen in NO3-?

a)

+5

b)

-3

c)

+1

d)

+4

7.

In reaction #2 what is the coefficient in the balanced equation (final) of Zn in the reactants part?

a)

16

b)

8

c)

10

d)

3

8.

In reaction #2 which is the coefficient in the balanced equation (final) of H+?

a)

10

b)

16

c)

3

d)

8

9.

In reaction #3 which is the oxidation number of Sulfur in SO42-?

a)

+6

b)

+4

c)

+2

d)

0

10.

In reaction #3, which is the coefficient of H2O in the final balanced reaction?

a)

2

b)

1

c)

4

d)

-2