17. 2H (g) →H₂(g)+430 kJ Br2 (g)→2 Br (g)- 180 kJ H₂(g) + Br₂ (g) →2 HBr (g) + 150 kJ From the above data, the bond energy of H- Br bond is: [a] -380 kJ [c] 760kJ [b] 380kJ [d] 240kJ​