1.

An aqueous solution of KBr is treated with each of the following. In which case bromine will be liberated ?

Answer»

`Cl_(2)`
HI
`SO_(2)`
`I_(2)`

SOLUTION :`Cl_(2)` being a stronger oxidising AGENT that `Br_(2)`, liberates `Br_(2)` from KBR.
`Cl_(2) + 2KBr RARR 2 KCl + Br_(2)`.


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