For the reaction between MnO−4 and C2O−4 in basic solution, the unbalanced equation is MnO−4+C2O2−4⟶MnO2(s)+CO2−3 In a balanced equation, the number of OH− ions is :
A
0
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B
4 on the right
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C
4 on the left
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D
2 on the left
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Solution
The correct option is A4 on the left The balanced equation is as follows: 4MnO−4+3C2O2−4+2H2O→4MnO2+6CO2−3+4OH− Hence, the number of OH− is 4 on the left.