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In which of the following pairs of speci...

In which of the following pairs of species,the size of the first species is not more than the second species?

A

`Na^(+),F^(-)`

B

`Fe^(2+),Fe^(3+)`

C

Li,F

D

S,O

Text Solution

Verified by Experts

The correct Answer is:
A
`Na^(+) and F^(-)` are isoelectronic ions.Since amongst isoelectronic ions,the size of the anion is larger than that of the cation,therefore,`Na^(+)ltF^(-)`.
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