Multiple choice Which of the following sets has tetrahedral shape molecular ions? C2H4, NO3- and CO3-2 CH4, CCl4 and ICl2- SnCl4, NH4+ and SiBr4 IF4+, SF4 and TeCl4 I3+, I3- and H3O+ Reveal answer Fill a bubble to check yourself C Correct answer Explanation This option is correct because SnCl4, NH4+ and SiBr4 all have sp3-hybridisation and tetrahedral shape.