1.

No reaction occurs in which of the following equations

Answer»

`I^(ɵ)+Fe^(2+) rarr`
`F_(2)+2NaCl rarr`
`Cl_(2) +2NaF rarr`
`I_(2)+2NaBr rarr`

Solution :Reduction POTENTIAL of `F_(2) gt Cl_(2) gt Br_(2) gt I_(2)`. So `F_(2)` can DISPLACE `CL^(Θ), Br^(Θ) and I^(Θ)` but not vice VERSA. Similarly, `Cl_(2)` can displace `Br^(Θ) and I^(Θ)` but not vice versa and `Br_(2)` can displace only `I^(Θ)` but not vice versa. In (a) `Fe(" not " Fe^(2+))` is a better reducing agent tahn `I^(Θ)`.


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