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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

1.

The chain, two dimensional and three dimensional polymers are formed under ______(a) Vacuum(b) High pressure(c) Low pressure(d) No pressure

Answer» Correct option is (b) High pressure

Best explanation: The chain, two dimensional and three dimensional polymers are formed under high pressure. The high temperature is also maintained to form the polymers.
Discussion
2.

C60 is oxidised to form _______(a) C60O22(b) C60O24(c) C60O23(d) C60O

Answer» Right choice is (d) C60O

The explanation: C60O is formed when the C60 is oxidised. If it is mixed with disulphide, the radical is forms spontaneously, whose stability depends on steric factors.
Discussion
3.

___________ is exhibited by fullerenes.(a) Dual nature(b) Sp hybridization(c) Dehydrogenation(d) Dehalogenation

Answer» The correct choice is (a) Dual nature

Easy explanation: The dual nature is exhibited by fullerenes. The halogenation and hydrogenation are also done in the fullerenes.
Discussion
4.

After applying the large current between the graphite rods __________ is produced.(a) Nitrogen plasma arc(b) Carbon plasma arc(c) Oxygen plasma arcs(d) Hydrogen plasma arcs

Answer» Right answer is (b) Carbon plasma arc

Explanation: After applying the large current between the graphite rods nearby it. Later those results in carbon plasma arc between the electrodes cools into sooty residue from many fullerenes can be isolated.
Discussion
5.

Spherical particles based on the multiple layers surrounding a buck ball core is called ___________(a) Nano onions(b) Nano particles(c) Nano clusters(d) Nano materials

Answer» The correct choice is (a) Nano onions

The best explanation: Spherical particles based on the multiple layers surrounding a buck ball core are called nano onions. These are proposed mostly for lubricants.
Discussion
6.

The fullerenes are composed with _________(a) Graphene sheets(b) Graphite(c) Lead(d) Other carbon materials

Answer» Right answer is (a) Graphene sheets

The explanation: The fullerenes are composed with stalked graphene sheets. The fullerenes are similar to the structure of graphite. The only difference is they can be n sphere, tube or ellipsoid but graphene is layers.
Discussion