## Answers

Epox lattie energy is defined as MgF2 > CaF2> Bafa > NaF the amount of energy required Mg²+ < (9²4 < Ba 2+ to break one mole of crystal lattice into its Size increases lattice energy decreases constituent ions. High M²+ y Nat lattice energy less solubility more charge Ulattice a ztz- (charge high lattice energy. So, order of solubility will be reverse ; order of Vlattice; 0 Mg F₂ lowest to tor (size)

So, order of solubility will be reverse ; - solubility ② Cafe ② → Batz 4 & Nat : highest soluble

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