The oxidation number of boron in NaBH4 is? by Sunday | Oct 9 | Chemistry JAMB | 0 comments A. -3 B. -1 C. +1 D. +3 Correct Answer: Option D = +3 Users Also Read These:Control in nuclear reactors is effected with boron…An isotope has an atomic number of 15 and a mass…The oxidation number of Fe in [Fe(CN)6]3- is?The oxidation number of sulphur in Fe2(SO4)3 is?The oxidation number of sulphur is +4 in?