`underset(\"(aq)\")(Cr_(2)O_(7)^(-2)) + underset(\"(aq)\")(SO_(3)^(-2))to underset(\"(aq)\")(Cr^(+3)

`underset(\"(aq)\")(Cr_(2)O_(7)^(-2)) + underset(\"(aq)\")(SO_(3)^(-2))to underset(\"(aq)\")(Cr^(+3)

`underset(\"(aq)\")(Cr_(2)O_(7)^(-2)) + underset(\"(aq)\")(SO_(3)^(-2))to underset(\"(aq)\")(Cr^(+3)) + underset(\"(aq)\")(SO_(4)^(-2))` (Acidic medium)