In the reaction 2H2O (l) + 2Cl - (aq) → H2 (g) + Cl2 (g) + 2OH - (aq), which substance is reduced?

A. H2O

B. Cl

C. H

D. OH

E. None of the Above (This is not a redox reaction.)

A. H2O is the substance reduced.

H2O + 2e^ (-) →H_2 + 2OH^ (-)

The substance that gains electrons is reduced.

Remember OIL RIG (Reduction Is Gain of electrons) and

LEO the lion says GER (Gain of Electrons is Reduction).