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Which of the following are disproportio...

Which of the following are disproportionation redox changes?

A

`(NH_(4))_(2)Cr_(2)O_(7) rarrN_(2) +Cr_(2)O_(3) + 4H_(2)O`

B

`5H_(2)O_(2)+2ClO_2 +2OH^(-) rarr2Cl^(-) +5O_(2) +6H_(2)O`

C

`3ClO^(-) rarr ClO_3^(-)`

D

`2HCuCl_(2)overset("Dilution with")underset("water")rarrCu + Cu^(2+) + 4CI^(-)+ +2H^(+)`

Text Solution

Verified by Experts

The correct Answer is:
C, D
`e+Cl^(+)rarrCl^(-)" "Cu^(+)rarrCu^(2+)+e`
`Cl^(+)rarrCl^(5+)+4e" "Cu^(+)+erarrCu`
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