The oxidation state of carbon in HCOOH is? by Sunday | Oct 12 | Chemistry JAMB | 0 comments A. -1 B. +2 C. +3 D. zero Correct Answer: Option B = +2 Users Also Read These:In the carbon cycle, atmospheric carbon dioxide is…The oxidation state(s) of nitrogen in ammonium…The most suitable indicator for the reaction between…An element X has an atomic number of 16. What is its…An oxidation state of Cr in K2Cr2O7?