Which halogen oxidizes water at room temperature but does not undergo disproportionation into it?

Options

A. `F_(2)`
B. `Cl_(2)`
C. `Br_(2)`
D. `I_(2)`

Answer

A

Explanation

`F_(2)+H_(2)O to 2HF+(1)/(2)O_(2)`
`Cl_(2)+H_(2)O to HCl +HOCl`
`Br_(2)+H_(2)O to HBr +HOBr`
`I_(2)+H_(2)O to `No reaction `[DeltaG gt 0` at R.T.]