MCQ
The bond dissociation enthalpy of $H_2(g)$ and $N(g)$ are $436\ kJ\ mol^{-1}$ and $940\ kJ\ mol^{-1}$ and enthaply of formation of $NH_3$ is $- 45\ kJ\ moI^{-1}$ . The enthaply of atomisation of $NH_3$ is.....$kJ\ mol^{-1}$
- A$- 1079$
- B$- 1169$
- C$1079$
- ✓$1169$
