What is the change in oxidation number of carbon in the following reaction? CH 4 g + 4 Cl 2 g → CCl 4 + 4…

What is the change in oxidation number of carbon in the following reaction?
CH4g+4Cl2g→CCl4+4HClg
  1. 0 to +4
  2. –4 to +4
  3. 0 to –4
  4. +4 to +4

Solution

CH4g+4Cl2g→CCl4l+4HClg
Oxidation number of carbon in CH4
x+4×+1=0
x=-4
Oxidation number of carbon in CCl4
x+4×-1=0
x=+4
Change in oxidation number is -4 to +4

Asked in: NEET 2020 (Phase 1)

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