Fullerene

Q.

The incorrect statement regarding the structure of ${\mathrm{C}}_{60}$ is:

1. It contains$12$ six-membered rings and $24$five membered rings.

2. Each carbon atom forms three sigma bonds.

3. The five-membered rings are fused only to six-membered rings.

4. The six-membered rings are fused to both six and five-membered rings.

Q.

37) Why is graphite used as a major component in pencil lead

Q.

Name an allotrope of carbon which is among the hardest substances known.

Q.

Choose the odd one out :

Diamond; soot; graphite; fullerene.

Q.

How many pentagons and hexagons are present in one molecule of fullerene $C_{60}$?

1. 20 pentagons and 12 hexagons

2. 30 pentagons and 30 hexagons

3. 12 pentagons and 20 hexagons

4. 24 pentagons and 36 hexagons

Q. Which amongst the following forms of carbon is known as bucky ball?

1. Diamond
2. Graphite
3. Fullerene
4. Coal

Q.

A diamond knife is used for cutting glass. Which element constitutes a diamond?

Q. $C_{60}$ is called buckminsterfullerene.

1. True
2. False

Q.

Explain the structure of Buckminsterfullerene.

Q. Identify the allotrope of carbon from the image given below.

1. Diamond
2. Graphite
3. Fullerene
4. Coal

Q.

Buckminster fullerene has a ___, ___ structure.

Q. $C_{60}$ is called buckminsterfullerene.

1. True
2. False

Q. Number of carbons in allotropes of carbon

Q. Buckministerfullerene is an allotropic form of carbon with the formula $C_{60}$.

1. False
2. True

Q. The structure of buckminsterfullerene has hexagonal rings and pentagonal rings in them.

1. twenty
2. twelve
3. fifteen
4. thirty

Q. Identify the allotrope of carbon from the image given below.

1. Diamond
2. Graphite
3. Fullerene
4. Coal

Q.

Buckminster fullerene is an allotropic form of ________.

1. oxygen
2. carbon
3. sulphur
4. silicon

Q. Each molecule of Buckminsterfullerene contains ______ carbon atoms in it.

1. thirty
2. sixty
3. fifty
4. twenty

Q. What is the property of buckminsterfullerene?