How many six membered ( hexagons) and five membered (Pentagons) carbon ring present in (C60) fullerene ?.

C₆₀ is the most stable fullerene. It has the shape of a football and called buckminsterfullerene. 

C60 consists of fused five and six membered carbon rings. Each six membered rings surrounded by alternatively by hexagons and pentagons of carbon. While the five membered rings are surrounded by five hexagons carbon rings. Thus in C60 fullerene contains 12 five –membered rings and 20 Six –membered rings.

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Borazine (B3N3H6) is also known as inorganic benzene due to its resemblance in structure and properties with benzene like.

(1) Both are cyclic with alternative double bond.

(2) Both are aromatic in nature.

(3) Both are give electrophilic substitution reactions.

 

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