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In which of the following redox reaction...

In which of the following redox reaction precipitate is not formed?

A

`Cr^(3+) (aq) + Na_2O_2("solution") to `

B

`Fe^(3+)(aq) + (NH_4)_(2)S to`

C

`Mn^(2+)(aq) + H_2O_2 + NH_3("solution") to`

D

`Fe^(2+)(aq) + Na_2O_2("solution") to`

Text Solution

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The correct Answer is:
A
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