The ionization enthalpy of Na+ formation from Na(g) is 495.8 kJ mol-1, while the electron gain enthalpy of Br is - 325.0 kJ mol-1. Given the lattice enthalpy of NaBr is - 728.4 kJ mol-1. The energy for the formation of NaBr ionic solid is (-) -------------- × 10-1kJ mol-1.
The ionization enthalpy of Na+ formation from Na(g) is 495.8 kJ mol-1, while the electron gain enthalpy of Br is - 325.0 kJ mol-1. Given the lattice enthalpy of NaBr is - 728.4 kJ mol-1. The energy for the formation of NaBr ionic solid is (-) -------------- × 10-1kJ mol-1.
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1 Answer
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Bond dissociation energy of Br2 = 228 kJ/mole
Note : In question is neglect
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