"No" In fullerene all the carbon atoms are equivalent but all C-C bond length are not equal . In the fullerene structure C-C bonds of two different bond length occur at the fusion of two six membered rings the bond length is C-C = 135.5 pm and at the fusion of five and six membered rings C-C bond length is 146.7 pm.
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Sunday, February 9, 2020
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.
Topic:
14th Group: CARBON FAMILY:
Why Borazine (B3N3H6) is also known as inorganic benzene ?.
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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Why aqueous solution of borax reacts with two moles of acids ?
What is structure of solid Ortho Boric acid ?
What is the structure of trimetaboric acid and trimetaborate ion?
Why Borazine is more reactive than benzene towards Electrophic Aromatic substitution reactions ?
Why Borazine (B3N3H6) is also known as inorganic benzene ?.
Why B-F bond length in BF3 is shorter (130 pm) than B-F bond Iength in BF4- (143 pm)?. Explain.
Why B-F do not exist as dimer?. Explain.
Although anhydrous aluminium chloride is covalent but its aqueous solution is ionic in nature. Why?
Why Boric acid become strong acid in the presence of cis 1,2-diol or 1,3-diol ?
Topic:
13th Group: BORON FAMILY:
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