MCQ
The standard heat of formation $\left(\Delta_{t} \mathrm{H}_{298}^{0}\right)$ of ethane in $(kJ/mol)$, if the heat of combustion of ethane, hydrogen and graphite are $-1560$, $-393.5$ and $-286 \;\mathrm{kJ} / \mathrm{mol},$ respectively is ........... $\mathrm{kJ/mol}$
- A$-172.5$
- ✓$-192.5$
- C$-202.5$
- D$-162$