Question
Is the reaction $2 \mathrm{~K}(\mathrm{~s})+\mathrm{Br}_{2}(\ell) \rightarrow 2 \mathrm{KBr}(\mathrm{s})$an oxidation-reduction reaction? Explain your answer.
Step 1
The oxidation number of an atom in its elemental state is always zero. Therefore, the oxidation number of K in K(s) is 0 and the oxidation number of Br in Br2(l) is 0. Show more…
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