The increasing order of the ionic radii of the given isoelectronic species is :-
The increasing order of the ionic radii of the given isoelectronic species is :-
A. `CI^(-), Ca^(2+), K^(+), S^(2-)`
B. `S^(2-), CI^(-), Ca^(2+), K^(+)`
C. `Ca^(2+), K^(+), CI^(-), S^(2-)`
D. `K^(+), S^(7-), Ca^(2+), CI^(-)`
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Correct Answer - C
Order of ionic radii `Ca^(2+) lt K^(+) lt CI^(-) lt S^(2-)`
In isolectronic species, as `Z` increases, size decreases.
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