Standard heat of formation of KI is −78.31 kcal mol−1. Calculate t – InterviewSolution

1.	Standard heat of formation of KI is −78.31 kcal mol−1. Calculate the lattice energy from following information:I1(K)=4.3 eVE1(I)=73.4 kcal mol−1Bond dissociation energy of I2=36.1 kcal mol−1Sublimation energy of K=21.51 kcal mol−1
Answer» Standard heat of formation of $K I$ is $- 78.31 {kcal mol}^{- 1}$ . Calculate the lattice energy from following information: $I_{1} (K) = 4.3 eV E_{1} (I) = 73.4 {kcal mol}^{- 1} Bond dissociation energy of I_{2} = 36.1 {kcal mol}^{- 1} Sublimation energy of K = 21.51 {kcal mol}^{- 1}$

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