Balance the following equaitons by ion electron method. (ii) C_2O_(4)^(2-) +Cr_(2)O_(7)^(2)to Cr^(3+) +CO_(2) (in acid medium).

Balance the following equaitons by ion electron method. (ii) C_2O_(4)

1.	Balance the following equaitons by ion electron method. (ii) C_2O_(4)^(2-) +Cr_(2)O_(7)^(2)to Cr^(3+) +CO_(2) (in acid medium).
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