In the balanced equation , the values of and are: — Redox Reactions and Volumetric Analysis Chemistry Question
Question
In the balanced equation $aMnO_4^- + bC_2O_4^{2-} + cH^+ \rightarrow aMn^{2+} + 2bCO_2 + (c/2)H_2O$, the values of $a, b$ and $c$ are:
Answer: A
💡 Solution & Explanation
Already balanced in Serial 4. $MnO_4^-$ ($n=5$) and $C_2O_4^{2-}$ ($n=2$). <br>Cross multiplying $n$-factors for coefficients: $2MnO_4^-$ and $5C_2O_4^{2-}$. <br>To balance charge: $2(-1) + 5(-2) + c(+1) = 2(+2) \Rightarrow -12 + c = 4 \Rightarrow c = 16$.
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