1.

Which of the following reaction is nonspontaneous :-

Answer»

`2F_(2) +2H_(2)O to 4HF (aq) +O_(2)`
`Cl_(2) +H-OH to HCl +HOCl`
`Br_(2) +H-OH to HBr +HOBr`
`2I_(2) +2H_(2)O to 4HI +O_(2)`

Solution :`I_(2)+H_(2)O to HI +O_(2)` reaction non spontaneous because `I_(2)` is strong REDUCING AGENT


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