One of the following is not an allotrope of carbon. This is : (a) diamond (b) graphite (c) cumene (d) buckminsterfullerene
(a) What is buckminsterfullerene? How is it related to diamond and graphite? (b) Why is diamond used for making cutting tools (like glass cutters) but graphite is not? (c) Why is graphite used for making dry cell electrodes but diamond is not?