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Which of the following does not exist -...

Which of the following does not exist -

A

`[CuI_(4)]^(2-)`

B

`VO_(4)^(3-)`

C

`WO_(4)^(2-)`

D

`CrO_(4)^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
A
`[CuI_(4)]^(2-)` does not exist because I being a stronger reducing agent reduces `Cu^(2+)` to `Cu^(+)`.
`2CuI_(2)rarr 2CuI + I_(2)`
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