Sulphur has an oxidation number of +4 in? by Sunday | Apr 17 | Chemistry NECO | 0 comments A. H2S B. H2SO4 C. MgSO4 D. Na2SO3 E. S03 Correct Answer: Option D – Na2SO3 Users Also Read These:In which of the following is the oxidation number of…Determine the mass of sulphur (IV) oxide obtained…The oxidation number of sulphur is +4 in?The oxidation number of sulphur changes from?If sulphur is dissolved in carbon (IV) sulphide and…