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K^(+),Cl^(-),Ca^(2+),S^(2-) ions are iso...

`K^(+),Cl^(-),Ca^(2+),S^(2-)` ions are isoelectronic. The decreasing order of their size is-

A

`S^(2-) gt Cl^(-) gt K^(+) gt Ca^(2+)`

B

`Ca^(2+) gt K^(+) gt Cl^(-) gt S^(2-)`

C

`K^(+) gt Cl^(-) gt Ca^(2+) gt S^(2-)`

D

`Cl^(-) gt S^(2-) gt Ca^(2+) gt K^(+)`

Text Solution

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The correct Answer is:
A
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