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Which one of the following halogents tur...

Which one of the following halogents turn (s) strach iodide paper blue ?

A

`CI_(2)`

B

`Br_(2)`

C

`I_(2)`

D

`F_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A, B
`CI_(2)` and `Br_(2)` being strong oxidising agent than `I_(2)`, oxidises I to `I_(2)`, which react with starch to form stracyh `-I_(2)` adsorption complex, which is deep blue in colour.
`CI_(2)+2I^(Theta)rarr 2CI^(Theta)+I_(2)uarr`
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