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[CuCl_(4)]^(2-) exists while [CyI_(4)]^(2-) does not exist why ? |
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Answer» Solution :`(i)` In `[CuCl_(4)]^(2-)` complex, the size of chloride ion is less hence exist. But in `[CuI_(4)]^(2-)` the bigger iodide ion makes the compound unstable. `(ii)` When copper cation comes in contact with iodide anion, iodide get oxidised to iodine molecule hence the formation of the above complex ion does not take place. Hence `[CuCl_(4)]^(2-)` EXISTS while `[CuI_(4)]^(2-)` does not exist. |
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