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What is lattice energy,hydrtion energy.How to find bond order easily.plz give an example also

What is lattice energy,hydrtion energy.How to find bond order easily.plz give an example also

Grade:11

1 Answers

Arun
25750 Points
6 years ago
Lattice energy is the amount of energy required to break one mole of crystal lattice into its constituent ions. Ionic compounds are crystalline in nature. They are formed between two elements from two different blocks.E.g.NaCl Sodium belongs to 1 group of s block and Cl belongs to 17 group of p block. There is a lot of difference in the energies of electrons of these two elements as they belong to different valence shell, but these elements form ions and result in strong ionic bonding. During the formation of ionic bond some amount of energy is released and forms a crystal lattice. Lower the energy , higher is the stability. Every bond formation always results in decrease of energy. During ionic bond formation more amount of energy is released. Hence it is most stable bonding. This released energy is called as Lattice energy. Lattice energy is also defined as the amount of energy released from the constituent ions to form one mole of crystal lattice. The same amount of energy is used to break the crystal lattice into constituent ions. Hydration energy is the amount of energy released to break one mole of crystal lattice into its constituent ions in water. The required energy is provided by water hence the lattice energy is called as hydration energy else if any other solvent used then it is solvation energy.Hydration energy can be calculated using Born Haber Cycle.

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