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:Which of the following is not correct about…The oxidation state of chlorine in NaClO3 is?The oxidation state of oxygen in tetraoxosulphate…The oxidation state of Cr in K2Cr2O7 is?The change in the oxidation state of iron in the…