In the free-radical substitution reaction of methane with chlorine, there are initiation, propagation and termination steps. Which row is correct?
- Ahomolytic fission; $\text{H}\!\cdot$
- Bhomolytic fission; $\text{CH}_3\!\cdot$
- Cheterolytic fission; $\text{H}\!\cdot$
- Dheterolytic fission; $\text{CH}_3\!\cdot$