Balance the Following Oxidation-Reduction Occurring in Acidic Solution $\to$ Mn²⁺(aq)+ Cr³⁺(aq)
A) MnO₄^-(aq)+ 8H⁺(aq)+ 5Cr²⁺(aq)

question 37

Multiple Choice

Balance the following oxidation-reduction occurring in acidic solution.
MnO₄^-(aq) + Cr²⁺(aq) $\to$ Mn²⁺(aq) + Cr³⁺(aq)

• A) MnO₄^-(aq)+ 8H⁺(aq)+ 5Cr²⁺(aq)\(\to\) Mn²⁺(aq)+ 4H₂O( \(\ell\) )+ 5Cr³⁺(aq)
• B) MnO₄^-(aq)+ 8H⁺(aq)+ Cr²⁺(aq)\(\to\)Mn²⁺(aq)+ 4H₂O( \(\ell\) )+ Cr³⁺(aq)
• C) MnO₄^-(aq)+ 4H₂(g)+ 5Cr²⁺(aq)\(\to\) Mn²⁺(aq)+ 4H₂O( \(\ell\) )+ 5Cr³⁺(aq)
• D) MnO₄^-(aq)+ 8H⁺(aq)+ 2Cr²⁺(aq)\(\to\) Mn²⁺(aq)+ 4H₂O( \(\ell\) ) + 2Cr³⁺(aq)
• E) MnO₄^-(aq)+ Cr²⁺(aq)\(\to\)Mn²⁺(aq)+ 2O₂(g)+ Cr³⁺(aq)

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