1.

Which reaction has positive value of DeltaG^(@)?

Answer»

`F_(2)+H_(2)O overset(R.T.)to2HF+(1)/(2)O_(2)uarr`<BR>`Cl_(2)+H_(2)O overset(R.T.)toHCl+HOCl`
`Br_(2)+H_(2)O overset(R.T.) to HBr+HOBr`
`I_(2)+H_(2)O overset(R.T.)toHI+HOI`

Solution :`I_(2)+H_(2)O overset(R.T.) to 2HI+1//2O_(2),DeltaG` of this reaction is positive, hence oxidation of `I^(-)(aq.)` into `I_(2)` is feasible.


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