Question

Which ionisation potential $(IP)$ in the following equations involves the greatest amount of energy

• A. $Na \rightarrow Na^{+} + e^{-}$
• B. $K^{+} \rightarrow K^{2 +} + e^{-}$
• C. $C^{2 +} \rightarrow C^{3 +} + e^{-}$
• D. $Ca^{+} \rightarrow Ca^{2 +} + e^{-}$

Answer 1

Answer: (B)

$K^{+} \rightarrow K^{2 +} + e^{-}$

Answer 2

$K^{+} \rightarrow K^{2 +} + e^{-}$. Since $e^{-}$ is to be removed from stable configuration.