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Q.

${aMnO}_{4}^{-} + {bC}_{2} O_{4}^{- 2} + {CH}^{+} \to {Mn}^{+ 2} + {CO}_{2} + H_{2} O$
If the above equation is balanced with integer coefficients then $a + b + c$ value is ______

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answer is 23.

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Detailed Solution

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$2 M n O_{4}^{-} + 5 C_{2} O_{4}^{- 2} + 16 H^{+}$ $\to 2 M n^{+ 2} + 10 C O_{2} + 8 H_{2} O$

$a = 2, b = 5 & c = 16$

So, $a + b + c = 2 + 5 + 16 = 23$

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