Which of the following pairs of ions is arranged so that the ion with the larger (i.e., more negative) heat of hydration is listed first? A) Br^¯, K⁺ B) Mg²⁺, Sr ²⁺ C) Ca²⁺, Sc³⁺ D) Na⁺, Li⁺ E) None of these pairs are arranged in this way.

Question

Quizplus · Accepted Answer

Mg²⁺ has a more negative heat of hydration than Sr²⁺ due to its smaller size and higher charge density.

Which of the Following Pairs of Ions Is Arranged So