The size of the following species increa...

The size of the following species increases in the order

A

`Mg^(2+) lt Na^(+) lt F^(-) lt Al`

B

`F^(-) lt Al lt Na^(+) gt Mg^(2+)`

C

`Al lt Mg^(2+) lt F^(-) lt Na^(+)`

D

`Na^(+) lt Al lt F^(-) lt Mg^(2+)`

Verified by Experts

The correct Answer is:

A

`Mg^(2+) lt Na^(+) lt F^(-) lt Al`
`F^(-)` has bigger size than `Mg^(2+) and Na^(+)` due to small nuclear charge

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