Ethanol reacts with dichromate ions in acid solution according to the equation;
C₂H₅OH(l) + Cr₂O₇₂–(aq) + H⁺(aq) → CO₂(g) + Cr³⁺(aq) + H₂O(l)
What is the coefficient for H⁺(aq) when this equation is balanced with the smallest whole number coefficients?

Question

Ethanol reacts with dichromate ions in acid solution  according to the equation;
C2H5OH(l) + Cr2O72–(aq) + H+(aq) → CO2(g) + Cr3+(aq) + H2O(l)
What is the coefficient for H+(aq) when this equation is balanced with the smallest whole number coefficients?

Accepted Answer

Correct answer: D.

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