Q4 of 60 Page 28

Buckminsterfullerene is an allotropic form of

Buckminsterfullerene is an allotropic form of carbon (C60). It was discovered in 1985. Sixty carbon atoms form the shape of a ball with a carbon atom at each corner of the 20 hexagons and 12 pentagons. Each carbon atom has three bonds.

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2

A molecule of ammonia (NH3) has

 3

Which of the following statements are usually correct for carbon compounds? These

(i) are good conductors of electricity


(ii) are poor conductors of electricity


(iii) have strong forces of attraction between their molecules


(iv) do not have strong forces of attraction between their molecules

 5

Which of the following are correct structural isomers of butane?

 6


In the above given reaction, alkaline KMnO4 acts as