1.

The deep colour produced when iodine is dissolved in a solution of potassium iodide is caused by the presence of

Answer»

`I^(+)`
`I^(-)`
`I_(3)^(-)`
`I_(2)^(-)`

Solution :`I_(2)` is more soluble in 10% AG KI solution this is due to the FORMATION of a COMPLEX tri-Iodide ion `I_(3)^(-)`is CALLED poly halide. `KI + I_(2) rarr KI_(3)^(-)`


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