If during a chemical reaction, carbon changes from an oxidation num- ber of +2 to -2, what happened to carbon? A It was in its elemental state from the start of the reaction. B It was in its elemental form at the end of the reaction. C It was oxidized. D It was reduced.

If during a chemical reaction, carbon changes from an oxidation num- ber of +2 to -2, what happened to carbon? A It was in its elemental state from the start of the reaction. B It was in its elemental form at the end of the reaction. C It was oxidized. D It was reduced.

Chemistry In Focus

7th Edition

ISBN:9781337399692

Author:Tro, Nivaldo J.

Publisher:Tro, Nivaldo J.

Chapter14: Oxidation And Reduction

Section: Chapter Questions

Problem 7E

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Question

If during a chemical reaction, carbon changes from an oxidation num-
ber of +2 to -2, what happened to carbon?
A It was in its elemental state from the start of the reaction.
B
It was in its elemental form at the end of the reaction.
C
It was oxidized.
D
It was reduced.

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