Topic: Oxidation and reduction, oxidation number· Redox Reactions and Electrochemistry
What is the change in oxidation number of carbon in the following reaction ?CH_4(g) + 4Cl_2(g) → CCl_4(l) + 4HCl(g)
1. +4 to +4
2. 0 to +4
3. \(-\)4 to +4
4. 0 to \(-\)4