C60

Q.

What is the definition of allotropes?

Q. Does C60 conduct electricity??

Q.

Buckminsterfullerene is a spherical molecule in which 60 carbon atoms are arranged in interlocking hexagonal and pentagonal rings of carbon atoms.
(a) How many hexagons of carbon atoms are present in one molecule of buckminsterfullerene ?
(b) How many pentagons of carbon atoms are present in one molecule of buckminsterfullerene ?

Q. describe the fullerene structure of carbon and its uses

Q. How many carbon atoms are there in buckminsterfullerene?

1. 70
2. 82
3. 60
4. 86

Q.

The number of carbon atoms joined in a spherical molecule of buckministerfullerene is :
(a) fifty (b) sixty (c) seventy (d) ninety

Q.

What is the difference between an allotrope and a compound, because carbon is said to form over 30 million compounds but a limited allotropes

Q.

In which of the allotropes of carbon, every carbon atoms is bonded to three other carbon atoms.

1. Graphite

2. diamond

3. Fullerene

4. No allotrope meets such a condition.

Q.

Which of the following molecule is called backminsterfullerene ?
$C_{90}{C}_{60}{C}_{70}{C}_{120}$

Q.

Which allotrope of carbon is used in ornaments?

Q.

Buckminsterfullerene is an allotropic form of the element:

1. 
   

   Phosphorus

2. Sulphur
3. Fluorine
4. Carbon

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

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

Q. The number of carbon atoms joined in a spherical molecule of buckminsterfullerene is:
(a) fifty
(b) sixty
(c) seventy
(d) ninety

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

1. False
2. True

Q.

The allotrope of carbon which has 60 carbon atoms is ___.

Q. Assertion :$C{O}_2$ and $Si{O}_2$ has same physical state at room temp. Reason: Carbon has more electronegativity than silicon atom.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Assertion is incorrect but Reason is correct

Q. What amount of Buckminster fullerene contains 60 carbon atoms?

Q.

Fill in the blanks:

________ is soft and slippery with a basic pattern of hexagonal rings properties.

Q. Question 4
Buckminsterfullerene is allotropic form of
(a) Phosphorus
(b) Sulphur
(c) Carbon
(d) Tin