An ionic compound dissolves in water if …………. Energy is greater than……………energy.

Explanation

To solve the question regarding the conditions under which an ionic compound dissolves in water, we can break it down into a few clear steps.

### Step-by-Step Solution:

1. **Understanding Ionic Compounds**: Ionic compounds are formed by the electrostatic attraction between positively charged ions (cations) and negatively charged ions (anions). When these compounds are placed in water, they may dissolve.

2. **Concept of Lattice Energy**: Lattice energy is the energy required to separate one mole of an ionic solid into its gaseous ions. It is a measure of the strength of the forces between the ions in an ionic solid. Higher lattice energy means that the ions are held together more tightly.

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