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Which of the following is an amorphous allotrope of carbon?(a) Diamond(b) Fullerenes(c) Graphite(d) LampblackI have been asked this question at a job interview.My enquiry is from p-Block Elements in section p-Block Elements of Chemistry – Class 11

Answer»

The correct option is (d) Lampblack

For EXPLANATION: Diamond, fullerenes COME and GRAPHITE are crystalline allotropes of carbon whereas lampblack is an amorphous form of carbon, which is obtained by burning vegetable oils in a limited supply of air and it is ALSO used in the manufacture of printing ink, black PAINT, varnish, and carbon paper.



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