1.

Complete the following chemical equations : (i) Cr_(2)O_(7)^(2-)+6Fe^(2+)+14H^(+)to (ii) 2CrO_(4)^(2-)+2H^(+)to (iii) 2MnO_(4)^(-)+5C_(2)O_(4)^(2-)+16H^(+)to

Answer»

SOLUTION :(i) `Cr_(2)O_(7)^(2-)+6Fe^(2+)+14H^(+)to2Cr^(3+)+6Fe^(3+)+7H_(2)O`
(ii) `2CrO_(4)^(2-)+2H^(+)to Cr_(2)O_(7)^(2-)+H_(2)O`
(iii) `2MnO_(4)^(-)+5C_(2)O_(4)^(2-)+16H^(+)to 2Mn^(2+)+8H_(2)O+10CO_(2)`


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