ose the Rierences to important ralues access if needed for this question. Calcul

Question

ose the Rierences to important ralues access if needed for this question. Calculate the latice energy of aCIo) ushefollowing thermodynamic data al at s inkote tha the data given s been perturbed, so looking up the answer is probably not a good idea Ins) AHaubimation 223 kJmol In(g) onization energy 538 kJ/mol CI-CKg) Bond energy 223 kJ/mol CKg) Electron affinity 369 kJ/mol eq kJ/mol Do you expect this value to be larger or smaller than the lattice energy of InBr(o? ea larger smaller req Submit Answer Retry Entire Group 5 more group attempts remaining req req 2req req 808 PM

Explanation / Answer

Heat of formation = Heat of sublimation (In) + Ionisation energy (In) + Bond dissociation energy(Cl-Cl) + Electron Affinity (Cl) + Lattice energy.

Lattice energy = (- 206 -223 - 538 - 223 + 369)KJ/mol

Lattice energy = - 821 KJ/mol

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