Balance given following half reaction for the unbalanced whole reaction : `CrO_(4)^(2-)rarrCrO_(2)^(-)_OH^(-)` is :

Balance given following half reaction for the unbalanced whole reaction : `CrO_(4)^(2-)rarrCrO_(2)^(-)_OH^(-)` is :
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Balance given following half reaction for the unbalanced whole reaction : `CrO_(4)^(2-)rarrCrO_(2)^(-)_OH^(-)` ... O+6e^(-)rarr2CrO_(2)^(-1)+8OH^(-)`
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