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8 February, 13:00

When an atom in a reactant gains electrons, what happens to its oxidation number?

O A

Its oxidation number decreases.

B. Its oxidation number doubles.

C.

Its oxidation number increases.

D.

Its oxidation number increases by one.

GE. Its oxidation number stays the same.

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Answers (1)
  1. 8 February, 14:11
    0
    Its oxidation number decreases.

    Explanation:

    Reduction is gaining electrons

    Fe + 3 + e = Fe+2

    oxidation number went from 3 to 2
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