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Give reasons in two or three sentences o...

Give reasons in two or three sentences only for the following
"The species`[CuCI_(4)]^(2-)` exitsts, while`[CuI_(4)]^(2-)` does not" .

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The species `[CuCI_(4)]^(2-)` exists, while `[CuI_(4)]_(2)` does not
`2CuI_(2)rarrCu_(2)I_(2) +I_(2)`
Iodide ion reduces `Cu^(2+)` doe not exist .
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