Arrange the Following Cations in the Increasing Order Their Enthalpy

Multiple Choice

Arrange the following cations in the increasing order their enthalpy of hydration: K⁺,Ca²⁺,and Mg²⁺.

A) K⁺ < Ca²⁺ < Mg²⁺
B) Mg²⁺ < Ca²⁺ < K⁺
C) Ca²⁺ < K⁺ < Mg²⁺
D) Ca²⁺ < Mg²⁺ < K⁺
E) Mg²⁺ < K⁺ < Ca²⁺