WAEC - Chemistry (1989 - No. 23)
If sulphur is dissolved in carbon (IV) sulphide and the solution allowed to evaporate the allotrope of sulphur formed is
plastic sulphur
amorphous sulphur
rhombic sulphur
monoclinc sulphur
colloidal sulphur
Spiegazione
rhombic Sulphur is prepared by allowing a saturated solution of Sulphur in carbon (iv) sulphide to evaporate slowly and crystals will gradually be deposited.