Which equation shows a correct propagation step in the chlorination of ethane?
- A$\text{C}_2\text{H}_5\text{Cl} + \text{Cl}\cdot \rightarrow \text{C}_2\text{H}_4\text{Cl}\cdot + \text{HCl}$
- B$\text{C}_2\text{H}_6 + \text{Cl}\cdot \rightarrow \text{C}_2\text{H}_5\text{Cl} + \text{H}\cdot$
- C$\text{C}_2\text{H}_5\text{Cl} + \text{H}\cdot \rightarrow \text{C}_2\text{H}_5\cdot + \text{HCl}$
- D$\text{C}_2\text{H}_5\cdot + \text{Cl}\cdot \rightarrow \text{C}_2\text{H}_5\text{Cl}$