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The correct decreasing order of ionic si...

The correct decreasing order of ionic size among the following species is `K^+, Cl^-, S^-2` and `Ca^(+2)`.

A

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

B

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

C

`S^-1 gt Cl^(-) gt K^(+) gt Ca^(+2)`

D

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

Text Solution

Verified by Experts

The correct Answer is:
C
`(Z)/(e^-)` is in the order `S^-2 gt Cl^(-) gt K^+ gt Ca^(+2)`.
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