The correctorderof decreasingionicradiiamongthe followingisoelectronic

1.	The correctorderof decreasingionicradiiamongthe followingisoelectronicspeciesis
Answer» `K^(+) LTCA^(2+) gt C1^(-) gt S^(2-)` `Ca^(2+)gt K^(+) gt S^(2-)gt C1^(-)` `C1^(-) gt S^(2-)gt Ca^(2+)gt K^(+)` `S^(2-)gt C1^(-)gt K^(+)gt Ca^(2+)` Solution :Amongisoelectronic ions , IONICRADII decreasesasthe magnitude of - vechargedecreasesor themagnitudeof + vechargeincreases. Thusionicradiidecreasesin the ORDER ,i.e.,`S^(2-)gt C1^(-)gt K^(+) gt Ca^(2+)` i.e.,OPTION(d) is CORRECT.

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