1.

Which one of the following ions has the highest value of ionic radius?

Answer»

`O^(2-)`
`B^(3+)`
`LI^(+)`
`F^(-)`

Solution :`O^(2-)` has the highest value of ionic radii as this can be explained on the basis of`Z//e{("Nucleus charge")/("No. of ELECTRON")}`
Whereas `Z//e` ratio INCREASES, the size decreases and when `Z//e` ratio decreases the size increases.


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