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Na^(+), Mg^(2+), Al^(3+) and Si^(4+) are...

`Na^(+), Mg^(2+), Al^(3+) and Si^(4+)` are isoelectronic. The order of their ionic size is

A

`Na^(+) gt Mg^(2+) lt Al^(3+) lt Si^(4+)`

B

`Na^(+) lt Mg^(2+) gt Al^(3+) gt Si^(4+)`

C

`Na^(+) gt Mg^(2+) gt Al^(3+) gt Si^(4+)`

D

`Na^(+) lt Mg^(2+) gt Al^(3+) lt Si^(4+)`

Text Solution

Verified by Experts

The correct Answer is:
C
Amongst isoelectronic ions, the size of the cation decreases as the magnitude of the charge increases.
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