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Chemistry
The correct increasing order of the ionic radii is
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Q. The correct increasing order of the ionic radii is
JEE Main
JEE Main 2023
Classification of Elements and Periodicity in Properties
A
$Ca ^{2+}< K ^{+}< Cl ^{-}< S ^{2-}$
77%
B
$S ^{2-}< Cl ^{-}< Ca ^{2+}< K ^{+}$
16%
C
$K ^{+}< S ^{2-}< Ca ^{2+}< Cl ^{-}$
3%
D
$Cl ^{-}< Ca ^{2+}< K ^{+}< S ^{2-}$
3%
Solution:
In isoelectronic species size $\propto \frac{1}{Z}$
