The oxidation state of Cr in K2Cr2O7 is? by Sunday | Oct 11 | 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 oxygen in tetraoxosulphate…Give the IUPAC name of these substances i. H2SO3 ii.…The oxidation state(s) of nitrogen in ammonium…The oxidation state of chlorine in HClO4 is?What is the organic product of the reaction of…