Allotropes of carbon

How many of the following statements are correct regarding allotropes of carbon: (a) Graphite is not a good conductor of electicity in perpendicular direction of layers at ordinary temperatures. (b) Coke is the impure form of carbon. ( c) Anthracite is the purest form of carbon. (d) Buckminister fullerence contains 12 five membered rings and 20 six-membered rings. (e) Diamond is a good conductor of heat. (f) Graphite is diamagnetic in nature. (g) Graphite is thermodynamically more stable than diamond

Following is an amorphous allotrope of carbon.

Which is hardest allotrope of carbon.

Nanotubes are formed by fullerenes allotrope of carbon.

C_(60) an allotrope of carbon contains

C_(60) , an allotrope of carbon contains :

C_(60) is aromatic allotrope of carbon containing

Name an allotrope of carbon that is a good conductor of electricity.

Name the following: An allotrope of carbon used for the manufacture of coke.

Which allotrope of carbon leads to the formation of bucky ball ?