Use the Data Given Below to Construct a Born-Haber Cycle

question 118

Multiple Choice

Use the data given below to construct a Born-Haber cycle to determine the electron affinity of Br. ΔH°(kJ mol^-1)
K(s) → K(g) 89
K(g) → K⁺(g) + e⁻ 419
Br₂(l) → 2Br(g) 193
K(s) + Br₂(g) → KBr (s) -394
KBr(s) → K⁺(g) + Br⁻(g) 674

• A)-885 kJ
• B)-325 kJ
• C)+367 kJ
• D)-464 kJ
• E)+246 kJ

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