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b. Silver fluoride has been employed as a fluorination and desilylation reagent in organic synthesis and in aqueous solution as a topical caries treatment in dentistry. (1) Complete the Born-Haber cycle for silver fluoride by adding the missing species on the dotted lines. Aq"lo) Ago) Ag"(g) + F 2 Agla) Acts) AgF) (ii) Use the cycle in part (i) and the data in Table 1 to calculate a value, in kJmol', for the bond enthalpy of the fluorine-fluorine bond. Table 1. Enthalpy change in a Born-Haber cycle. Enthalpy change Enthalpy of atomisation for silver First ionisation energy for silver Electron affinity for fluorine Experimental enthalpy of lattice dissociation for silver fluoride Enthalpy of formation for silver fluoride Enthalpies (kJ moll) +289 +732 -348 +955 -203 (2+3 marks)