Which of the following aredisproportionation redox changes?

1.	Which of the following aredisproportionation redox changes?
Answer» `(NH_(4))_(2)Cr_(2)O_(7) rarrN_(2) +Cr_(2)O_(3) + 4H_(2)O` `5H_(2)O_(2)+2ClO_2 +2OH^(-) rarr2Cl^(-)+5O_(2) +6H_(2)O` `3ClO^(-) rarr ClO_3^(-)` `2HCuCl_(2)OVERSET("DILUTION with")underset("water")rarrCu + Cu^(2+) + 4CI^(-)+ +2H^(+)` Solution :`e+CL^(+)rarrCl^(-)""Cu^(+)rarrCu^(2+)+e` `Cl^(+)rarrCl^(5+)+4E" "Cu^(+)+erarrCu`

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