Which equation represents the reaction occurring in the standard enthalpy change of atomisation of bromine?
- A$\text{Br}_2(l) \rightarrow 2\text{Br}(g)$
- B$\text{Br}_2(g) \rightarrow 2\text{Br}(g)$
- C$\frac{1}{2}\text{Br}_2(l) \rightarrow \text{Br}(g)$
- D$\frac{1}{2}\text{Br}_2(g) \rightarrow \text{Br}(g)$