Complete the following chemical equations:
`(i) Cr_2O_7^(2-)+6Fe^(2+)+14H^+ ->`
`(ii) 2CrO_4^(2-)+2H^+ ->`
`(iii) 2MnO_4^-+5C_2O_4^(2-)+16H^+ ->`
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Solution
` (i)6Fe^(2+)+Cr_2O_7^(2-)+14H^+ -> 2Cr^(3+)+6Fe^(3+)+7H_2O`
(ii) 2CrO42- + 2H+ → Cr2O72- + H2O
(iii) 2MnO4- + 5C2O42- + 16H+ → 2Mn2+ + 10CO2 + 8H2O
Concept: General Properties of the Transition Elements (D-block)
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