Problem: Which element is oxidized and which is reduced in the following reactions?PbS(s) + 4 H2O2(aq) → PbSO4(s) + 4 H2O(l)

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We are asked which element is oxidized and which is reduced in PbS(s) + 4 H2O2(aq) → PbSO4(s) + 4 H2O(l)


Remember the mnemonics:

Loss                Gain

Electrons         Electrons

Oxidation         Reduction


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Problem Details

Which element is oxidized and which is reduced in the following reactions?

PbS(s) + 4 H2O2(aq) → PbSO4(s) + 4 H2O(l)

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