Chemistrymedium · Past Paper

In the reaction $MnO_2 + 4HCl \rightarrow MnCl_2 + 2H_2O + Cl_2$, which substance is oxidized?

AMnO2
BHCl
CMnCl2
DCl2

✓ Correct Answer: BHCl

HCl loses hydrogen (or the Cl- ion loses electrons) to form Cl2, so HCl is oxidized.

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