Question

When the following oxidation-reduction reaction in basic solution is balanced, what is the lowest whole-number coefficient for OH-, and on which side of the balanced equation should it appear?
Cr2O3(s) → Cr(OH)2(aq) + CrO42-(aq)
A) 2, reactant side
B) 10, product side
C) 4, product side
D) 4, reactant side
E) 2, product side

Answer

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