1.

Which of the following reaction is not feasible

Answer»

`F_(2) +2Cl^(-) to 2F^(-) +Cl_(2)`
`Cl_(2)+2Br^(-) to 2Cl^(-) +Br_(2)`
`Br_(2) +2F^(-) to 2Br^(-) +F_(2)`
`Br_(2) +2I^(-)to 2Br^(-) +I_(2)`

Solution :`Br_(2)+F^(-) to Br^(-) +F_(2)`REACTION not possible
ORDER of oxidising `to F_(2) gt Cl_(2) gt Br_(2) gt I_(2)`


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