Balance the following redox reaction using the change in oxidation number method by providing the necessary smallest whole number coefficients. Cr(OH)2 + OH–  →  CrO42– + Cr + H2O Identify the smallest whole number coefficients of the following species in the balanced chemical reaction: Cr a.3 b.4 c.1 d.6 e.2  Cr(OH)2 a.3 b.2 c.6 d.4 e.1  Cr a.2 b.3 c.4 d.1 e.6

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