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Complete the following chemical equation...

Complete the following chemical equations :
(i) `MnO_(4)^(-) (aq) + S_(2)O_(3)^(2-) (aq) + H_(2) O(l) to1`
(ii) `Cr_(2)O_(7)^(2-) (aq) + Fe^(2+)(aq) + H^(+) (aq) to`

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(i) `2MnO_(4)^(-)(aq)+5C_(2)O_(4)^(2-)(aq)+16H^(+)(aq)to2Mn^(2+)(aq)+8H_(2)O(l)+10CO_(2)(g)`
(ii) `Cr_(2)O_(7)^(2-)(aq)+6Fe^(2+)(aq)+14H^(+)(aq)to2Cr^(3+)(aq)+6Fe^(3+)(aq)+7H_(2)O(l)`
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XII BOARDS PREVIOUS YEAR-XII BOARDS-[SET-I]
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