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Why is Lattice Enthalpy `negative` in an exothermic reaction?!

Why is Lattice Enthalpy `negative` in an exothermic reaction?!

Grade:11

1 Answers

Vimlendra Singh
36 Points
8 years ago
The lattice formation enthalpy is the enthalpy change when 1 mole of solid crystal is formed from its scattered gaseous ions. Lattice formation enthalpies are always negative.

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