For the redox reaction `Cr_(2)O_(7)^(-2)+H^(+)+Ni rarr Cr^(3)+Ni^(2+)+H_(2)O` The correct coefficents of the reactions for the balanced reaction areA. (`Cr_(2)O_(7)^(2-)=1`, `Ni=3`, `H^(+)=14`)B. (`Cr_(2)O_(7)^(2-)=2`, `Ni=3`, `H^(+)=14`)C. (`Cr_(2)O_(7)^(2-)=1`, `Ni=1`, `H^(+)=16`)D. (`Cr_(2)O_(7)^(2-)=3`, `Ni=3`, `H^(+)=12`)

For the redox reaction `Cr_(2)O_(7)^(-2)+H^(+)+Ni rarr Cr^(3)+Ni^(2+)+

1.	For the redox reaction `Cr_(2)O_(7)^(-2)+H^(+)+Ni rarr Cr^(3)+Ni^(2+)+H_(2)O` The correct coefficents of the reactions for the balanced reaction areA. (`Cr_(2)O_(7)^(2-)=1`, `Ni=3`, `H^(+)=14`)B. (`Cr_(2)O_(7)^(2-)=2`, `Ni=3`, `H^(+)=14`)C. (`Cr_(2)O_(7)^(2-)=1`, `Ni=1`, `H^(+)=16`)D. (`Cr_(2)O_(7)^(2-)=3`, `Ni=3`, `H^(+)=12`)
Answer» Correct Answer - A The balanced equation is `Cr_(2)O_(7)^(2-)+14H^(+)+3Ni rarr 2Cr^(3+)+7H_(2)O+3Ni^(2+)`

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