The number of `C - C` linkages in `C_(60)` (Fullerene) is

If x is the number of C-C sigma bonds in C_(60) (fullerene) and y is number of pentagonal rings in C_(60) then final out the value of (x+y) .

The ratio of number of pentagons in C_(60) and trigons (triangles) in white phosphorus,is______.

The ratio of number of pentagons in C_(60) and trigons (triangles) in white phosphorus,is______.

C_(60) molecule contains

Which of the following statements is INCORRECT? In fullerene (C60) total number of bonds( sigma and pi) is 90 Fullerene is purest form among allotropes of carbon Diamond is purest form among allotropes of carbon In fullerene (C60) "20" six membered rings and "12" five membered rings are present