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

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

A

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

B

`Ca^(2+) gt K^(+) gt CI^(-) gtS^(2-)`

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
A
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