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What is the order of thermal stability of bef2,mgf2,alf3?

What is the order of thermal stability of bef2,mgf2,alf3?
 

Grade:11

2 Answers

Arun
25750 Points
3 years ago
The larger the lattice enthalpy factor, the tougher thermal decomposition becomes. As atomic size decreases across a period, the order of stability is AlF3 > MgF2> NaF.
Yashraj
908 Points
3 years ago
the larger will be size of atoms the larger will be the energy to be given to decompose it and more will be its stability so order is
AlF3>MgF2>NaF

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