The ionic radii of K?, Na?, Al³? and Mg²? are in the order
The ionic radii of K?, Na?, Al³? and Mg²? are in the order
Option 1 -
K⁺ < Al < Mg < Na
Option 2 -
Al³⁺ < Mg < K < Na
Option 3 -
Al³⁺ < Mg < Na < K
Option 4 -
Na⁺ < K < Mg < Al
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1 Answer
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Correct Option - 3
Detailed Solution:When positive charge increases, ionic radii decreases in isoelectronic ions
Al?³ < Mg?² < Na? < K?
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