1.

Which of the following is largest

Answer»

`Cl^(-)`
`S^(2-)`
`Na^(+)`
`F^(-)`

Solution :`S^(2-)` and `Cl^(-)` both are ISOELECTRONIC but nuclear charge of `Cl^(-)` is more than `S^(2-)`. So `S^(2-)` has LARGEST SIZE.


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