The oxidation state of chlorine in HClO4 is? by Sunday | Oct 15 | Chemistry JAMB | 0 comments A. -5 B. -1 C. +1 D. +7 Correct Answer: Option D = +7 Users Also Read These:The oxidation state of oxygen in tetraoxosulphate…The oxidation state(s) of nitrogen in ammonium…An element X has an atomic number of 16. What is its…The distance between the nuclei of chlorine atoms in…When chlorine is passed through a sample of water,…