The oxidation number of sulphur is +4 in? By: Sunday|Published on: Dec 10|Categories: Chemistry WAEC| 0 comments A. Na2S2O3 B. H2SO3 C. H2SO4 D. SO3 Correct Answer: Option B B. H2SO3 Users Also Read These:What is the oxidation number of nitrogen in AI(NO3)3?The oxidation number of chlorine is + 1 in?The oxidation number of iodine in the iodate ion (IO‾³) is?In which of the following is the oxidation number of…Sulphur has an oxidation number of +4 in?SEE ALSO The colour of phenolphthalein indicator in alkaline solution at the end-point of an acid-base titration is?