Question

$K^{+}$ and $Cl^{-}$ ions are isoelectronic. Which of the statements is not correct?

• A. Both $K^{+}$ and $Cl^{-}$ ions contain 18 electrons.
• B. Both $K^{+}$ and $Cl^{-}$ ions have same configuration.
• C. $K^{+}$ ion is bigger than $Cl^{-}$ ion is ionic size.
• D. $Cl^{-}$ ion is bigger than $K^{+}$ ion in size.

Answer 1

Answer: (C)

$K^{+}$ ion is bigger than $Cl^{-}$ ion is ionic size.

Answer 2

: Cation is smaller than the anion.