A) potassium ion is relatively bigger
B) depends on the other cation and anion
C) their size are same
D) chloride ion is bigger than potassium ion.
Correct Answer: D
Solution :
Chloride ion and potassium ion are isoelectronic. Isoelectronic ions are those ions having same number of electrons. \[K=2,8,8,1\] \[{{K}^{+}}=2,8,8\] \[Cl=2,8,7\] \[C{{l}^{-}}=2,8,8\]
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