Question

Carbon nano tubes are the sheets of graphite about ________

(a) 0.1nm

(b) 0.2nm

(c) 0.3nm

(d) 0.4nm

I have been asked this question during an interview.

This intriguing question comes from Carbon Nano Tubes topic in portion Nano Materials of Applied Chemistry

Answer 1

Right option is (d) 0.4nm

The explanation is: Carbon nano tubes are the sheets of graphite about 0.4nm in diameter. They are rolled up to make nm in diameter. They are very small in size.