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  •  Which one of the following has largest ionic radius ?Option: 1 <img alt="Li^{+}" src="https://entrancecorner.oncodecogs.com/gif.latex?Li%5E%7B&

 Which one of the following has largest ionic radius ?

Option: 1

Li^{+}


Option: 2

O^{2-}


Option: 3

B^{3+}


Option: 4

F^{-}


Answers (1)

best_answer

As \frac{z}{e} ratio increases, the size decreases and vice versa.

z = atomic number, e= number of electrons

Li^{+}\:,\:\frac{z}{e}=1.5

F^{-},\:\frac{z}{e}=\frac{9}{10}=0.9

O^{2-},\:\frac{z}{e}=\frac{8}{10}=0.8

B^{3-},\:\frac{z}{e}=\frac{5}{2}=2.5 

Posted by

HARSH KANKARIA

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