Chemistryhard · Past Paper
In the reaction MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2, which substance is oxidized?
AMnO2
BHCl
CMnCl2
DH2O
✓ Correct Answer: B — HCl
Chlorine in HCl changes from -1 to 0 oxidation state, which is oxidation.
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