Problem: Which equation represents an oxidation-reduction reactiona. H2SO4 + 2 NH3 → (NH4)2SO4b. H2SO4 + Na2CO3 → Na2SO4 + H2O + CO2c. 2 K2CrO4 + H2SO4 → K2Cr2O7 + K2SO4 + H2Od. 2 H2SO4 + Cu → CuSO4 + 2 H2O + SO2

FREE Expert Solution

For Redox reactions, oxidation and reduction both occur in a reaction:


Recall the mnemonics LEO GER.

Lose               Gain

Electron         Electrons

Oxidation       Reduction


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Problem Details

Which equation represents an oxidation-reduction reaction

a. H2SO4 + 2 NH3 → (NH4)2SO4
b. H2SO4 + Na2CO3 → Na2SO4 + H2O + CO2
c. 2 K2CrO4 + H2SO4 → K2Cr2O7 + K2SO4 + H2O
d. 2 H2SO4 + Cu → CuSO4 + 2 H2O + SO2

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