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Balance the following equations by oxidation number method K_(2)Cr_(2)O_(7)+KI+H_(2)SO_(4)rarrK_(2)SO_(4)+Cr_(2)(SO_(4))_(3)+I_(2)+H_(2)O |
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Answer» SOLUTION :`underset(2xx3e^(-))underset(uarr)overset(+6)(K_(2)Cr_(2)O_(7))+underset(1E^(-))overset(-1)KI+H_(2)SO_(4)rarrK_(2)SO_(4)+overset(+3)(Cr_(2))(SO_(4))_(3)+overset(0)(I_(2))+H_(2)O` `K_(2)Cr_(2)O_(7)+6KI+H_(2)SO_(4)rarrK_(2)SO_(4)+` `Cr_(2)(SO_(4))_(3)+I_(2)+H_(2)O` `K_(2)Cr_(2)O_(7)+6KI+H_(2)SO_(4)rarrK_(2)SO_(4)+` `Cr_(2)(SO_(4))_(3)+3I_(2)+H_(2)O` `K_(2)Cr_(2)O_(7)+6KI+7H_(2)SO_(4)rarr4K_(2)SO_(4)+` `Cr_(2)(SO_(4))_(3)+3I_(2)+7H_(2)O` |
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