Q.

Which of the following is not a characteristic of fullerenes?

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a

The C-60 allotrope is the most stable of all the fullerene.

b

It contains only fused six-membered carbon-carbon rings.

c

Its hardness is lower than that of a diamond and a bad conductor as electrons cannot jump between molecules.

d

Its shape is similar to that of a soccer ball containing both saturated and unsaturated bonds.

answer is D.

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Detailed Solution

Fullerene is an allotrope of carbon that resembles the shaper of a soccer ball and may contain five to seven-membered rings. Fullerene contains both single and double bonds.

.  As it contains delocalized electrons, no free electrons are available, so it is a poor conductor of electricity.

It does not have a network structure like diamond, so it is softer than diamond.

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Which of the following is not a characteristic of fullerenes?