UPSC CAPF Assistant Commandant Model Paper 2

Question : 89 of 125

Marks: +1, -0

Identify the correct option regarding the allotropes of carbon.

Graphite is formed by heating fullerenes in an electric arc in the presence of inert gases such as helium or argon.
Graphite has sp2 hybridization and fullerenes have sp3 hybridization.
Diamond has sp3 hybridisation and the C—C bond length is 141.5 pm.
Graphite has a layered structure and the distance between two layers in 340 pm.

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