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12 Dec 2019

A)What is the oxidation state of sulfur before and after the reaction below?

SO32-(aq) + MnO4-(aq) → SO42-(aq) + Mn2+(aq)

- A. B. C. D. E. F. G. H. I. J. K.

Before the reaction?

- A. B. C. D. E. F. G. H. I. J. K.

After the reaction?

A.

+5

B.

-5

C.

+4

D.

+1

E.

+6

F.

-2

G.

-4

H.

+3

I.

0

J.

-1

K.

-3

B) What is the oxidation state of copper before and after the reaction below?

2NO3-(aq) + 8H+(aq) + 3Cu(s) → 3Cu2+(aq) + 2NO(g) + 4H2O(l)

- A. B. C. D. E. F. G. H. I. J. K.

Before the reaction?

- A. B. C. D. E. F. G. H. I. J. K.

After the reaction?

A.

-1

B.

+5

C.

+2

D.

0

E.

-5

F.

-4

G.

-2

H.

+1

I.

-3

J.

+3

K.

+4

C)What is the oxidation state of nitrogen before and after the reaction below?

2NO3-(aq) + 8H+(aq) + 3Cu(s) → 3Cu2+(aq) + 2NO(g) + 4H2O(l)

- A. B. C. D. E. F. G. H. I. J. K.

Before the reaction?

- A. B. C. D. E. F. G. H. I. J. K.

After the reaction?

A.

+5

B.

+4

C.

+3

D.

+2

E.

+1

F.

0

G.

-1

H.

-2

I.

-3

J.

-4

K.

-5

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Nestor Rutherford
Nestor RutherfordLv2
13 Dec 2019

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