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:If acidified Potassium Dichromate(VI) (K2Cr2O7) acts…The following alkanols will yield alkanoic acids on…What is the organic product of the reaction of…Ethanol reacts with excess acidified K2Cr2O7 to produce?A rock sample was added to cold dilute HNO3. The gas…