Home
Class 11
CHEMISTRY
The correct decreasing order of atomic s...

The correct decreasing order of atomic size among the following species is : `K^(+), CI^(-), S^(2-), ca^(2+)`

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
C
In isoelectronic ions, the atomic size decreases as z/e ratio increases. ltbr `S^(2-)(z)/(e) = (16)/(18), CI^(-)(z)/(e) = (17)/(18),`
`K^(+) (z)/(e), (19)/(18), Ca^(2+) (z)/(e) =(20)/(18)`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

The correct decreasing order of atomic size among the following species is: Ar,K^(+),Cl^(-),S^(2-),Ca^(2+)

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

The correct decreasing order atomic radius is:

The correct bond order among the following species is :

The correct decreasing order of basic strength of the following species is ….. H_(2)O, NH_(3), OH^(-),NH_(2)^(-)

The correct order of atomic or ionic size

The correct decreasing order of size of a isoelectronic species is -