What is the correct order of decreasing size of the following ions? A)P^3- Cl^- K⁺ Ca²⁺ B)Ca²⁺ K⁺ Cl^- P^3- C)K⁺ Cl^- Ca²⁺ P^3- D)K⁺ Cl^- P^3- Ca²⁺ E)None of these is correct.

Question

What is the correct order of decreasing size of the following ions? A)P^3- > Cl^- > K⁺ > Ca²⁺ B)Ca²⁺ > K⁺ > Cl^- > P^3- C)K⁺ > Cl^- > Ca²⁺ > P^3- D)K⁺ > Cl^- > P^3- > Ca²⁺ E)None of these is correct.

Quizplus · Accepted Answer

The size of ions generally decreases with increasing positive charge and increases with increasing negative charge. P^3- has the largest size due to its high negative charge, followed by Cl^-, K⁺, and Ca²⁺ with the smallest size due to its high positive charge.

What Is the Correct Order of Decreasing Size of the Following