1.

The halogen that oxidises water

Answer»

`F_(2)`
`Cl_(2)`
`Br_(2) `
`I_(2)`

Solution :`F_(2) + 3H_(2) O rarr 2H_(3) O_(2)^(+) + 2F^(-) + ( 1)/( 2) O _(2) , F_(2)^(0) rarr F^(-1)`


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