What is the oxidation number of chlorine in hclo4 July 8, 2019 16 32 64 128 What is the oxidation number of chlorine in perchloric acid hclo4 What is the oxidation number for chlorine in the molecule hclo4 Find the oxidation number of chlorine in hclo4 Calculate the oxidation number of chlorine in hclo4 What is oxidation number