Calculate the oxidation state of c in cyanide ion Share with your friends Share 0 Gaurav Singh answered this 1 View Full Answer Gaurav answered this 2 is the answer -1 Anuj Burman answered this Cyanide ion is CN^- Total charge on CN = -1 'N' nitrogen has fixed oxidation numbers in CN i.e. N=-3 C + (-3) = -1 C = -1 + 3 C = 2 Therefore, oxidation numbers or oxidation state of C in CN^- ion is 2 1