GKFix MCQ Question

Which of the following lists correctly shows carbon oxidation states from –4 to +4?

• A. CO, CO₂, C, CH₄, CCl₄
• B. CH₄, CH₃OH, HCHO, HCOOH, CO₂
• C. CCl₄, CO, CO₂, CH₄, C
• D. C, CO, CO₂, CH₄, CCl₄