Multiple choice

The process of dissolution of salt is exothermic if

  1. lattice energy = hydration energy

  2. lattice energy < hydration energy

  3. lattice energy > hydration energy

  4. none of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

 If the lattice energy is less than the hydration energy,  more heat is needed to be supplied in order to dissolve the salt in the solution.Hence it will be exothermic.