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goblinko [34]
3 years ago
13

Balance the redox reaction equation (occurring in acidic solution) and choose the correct coefficients for each reactant and pro

duct. __MnO4−(aq)+Ag(s)+H+(aq)→Mn2+(aq)+Ag+(aq)+__H2O(l)
Chemistry
1 answer:
dlinn [17]3 years ago
5 0

Explanation:

A balanced redox chemical equation is an equation that contains same number of atoms on both reactant and product side. Also, it contains same total charge on reactant and product side.

For example, MnO^{-}_{4}(aq) + Ag(s) + H^{+}(aq) \rightarrow Mn^{2+}(aq) + Ag^{+}(aq) + H_{2}O(l)

Number of atoms on reactant side are as follows.

Mn = 1

O = 4

Ag = 1

H = 1

Number of atoms on product side are as follows.

Mn = 1

O = 1

Ag = 1

H = 2

Therefore, to balance the equation multiply H^{+}(aq) on reactant side by 8 and multiply H_{2}O on product side by 4.

      MnO^{-}_{4}(aq) + Ag(s) + 8H^{+}(aq) \rightarrow Mn^{2+}(aq) + Ag^{+}(aq) + 4H_{2}O(l)

Now, total charge on reactant side is +7 but total charge on product side is +2. Therefore, to balance the charges we multiply Ag(s) on reactant side by 5 and Ag^{+} on product side by 5.

Therefore, completely balanced redox reaction equation will be as follows.

           MnO^{-}_{4}(aq) + 5Ag(s) + 8H^{+}(aq) \rightarrow Mn^{2+}(aq) + 5Ag^{+}(aq) + 4H_{2}O(l)

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