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Reaction with Metals

Iodine is lib...

Question

Iodine is liberated in the reaction between $K I$ and ${C u}^{2 +}$ but chlorine is not liberated when $K C l$ is added to ${C u}^{+}$ .
If true enter 1, else enter 0.
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Solution

The correct option is A 1
The $I^{-}$ ion acts as strong reducing agent where as ${C l}^{-}$ acts as reductant only in presence of strong oxidant and therefore $K I$ reduces ${C u}^{2 +}$ to ${C u}^{+}$
${C u}^{2 +} + 4 K I ⟶ {C u}_{2} I_{2} + I_{2} + 4 K^{+}$

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