Fullerenes

Q.

Which of the following is/are crystalline form(s) of carbon?

1. Diamond

2. Graphite

3. Coke

4. Charcoal

Q. Which of the following statement about fullerenes is incorrect?

1. Fullerenes are the only impure form of carbon
2. Fullerene are cage like molecules.
3. Spherical fullerenes are also called bucky balls in short
4. None of the above

Q.

Write the name of ${\mathrm{C}}_{60}$.

Q. In a Buckminsterfullerene $\left(C_{60}\right)$ :

1. Carbons in five membered rings have $s{p}^3$ hybridization
2. Carbons of six membered rings have $sp$ hybridization
3. All carbons are identical and have $s{p}^2$ hybridization.
4. (a) and (b) above.

Q. Which of the following statement about fullerenes is incorrect?

1. Fullerenes are the only impure form of carbon
2. Fullerene are cage like molecules.
3. Spherical fullerenes are also called bucky balls in short
4. None of the above

Q. Carbon$-60$ Contains :

1. $\text{20 pentagons and 12 hexagons}$
2. $\text{30 pentagons and 30 hexagons}$
3. $\text{12 pentagons and 20 hexagons}$
4. $\text{24 pentagons and 36 hexagons}$

Q. $C_{60}$ contains

1. 20 pentagons and 12 hexagons
2. 12 pentagons and 20 hexagons
3. 30 pentagons and 30 hexagons
4. 24 pentagons and 36 hexagons

Q. Carbon$-60$ Contains :

1. $\text{20 pentagons and 12 hexagons}$
2. $\text{12 pentagons and 20 hexagons}$
3. $\text{30 pentagons and 30 hexagons}$
4. $\text{24 pentagons and 36 hexagons}$