The oxidation state of Cr in K2Cr2O7 is? By: Sunday|Published on: Oct 11|Categories: Chemistry JAMB| 0 comments A. +7 B. +6 C. +5 D. 4 Correct Answer: Option B = +6 Users Also Read These:The oxidation state of chlorine in HClO4 is?The oxidation state of oxygen on tetraoxosulphate iv…Give the IUPAC name of these substances i. H2SO3 ii.…The change in the oxidation state of iron in the…The following alkanols will yield alkanoic acids on…SEE ALSO Consider the reaction represented by the following equation: xCH3OH + yO2 → 2CO2 + zH2O. The values of x,y and z respectively, are