Home
Class 11
CHEMISTRY
How many crystalline allotropic forms of...

How many crystalline allotropic forms of carbon are known ?

Text Solution

Verified by Experts

The correct Answer is:
4
Diamond, graphite, fullerenes and carbon nanotubes.
Promotional Banner

Similar Questions

Explore conceptually related problems

How many allotropic forms of carbon are there?

Name two allotropes of carbon

Name the crystalline forms of carbon.

Which one of the following is not correct for the allotropic forms of carbon ?

The form of carbon known as graphite

_____ is a crystalline allotrope of carbon with 60 carbon atoms having a spherical shape.

Elemental carbon appears in many structural forms or allotropes . Three of these formssare crystalline -diamond ,graphite and the recentluy discovered fullerne (bucky ball ) -while more than 40 others including coke and carbon black ae amorphous . Now there seems to be set afourth crystalline allotrope of carbon. reported in 1995 by Lagow at the University of Texas . Newly discovered allotrope if carbon has the form :

The hybrid orbitals with 33.33% S-character are involed in the bonding of one of the crystalline allotropes of carbon. The allotrope is

PASSAGE-I : Diamond and graphite are two allotropic forms of carbon which are crystalline in nature. They differ physically but chemically they are similar. Diamond is the hardest crystalline form of carbon. In diamond each carbon atom is linked to four other carbon atoms by covalent bonds. In graphite, each carbon atom is linked to three other carbon atoms by covalent bond. Graphite is relatively soft and greasy. It is a good conductor or electricity. Which allotrope gives carbon dioxide on heating?

PASSAGE-I : Diamond and graphite are two allotropic forms of carbon which are crystalline in nature. They differ physically but chemically they are similar. Diamond is the hardest crystalline form of carbon. In diamond each carbon atom is linked to four other carbon atoms by covalent bonds. In graphite, each carbon atom is linked to three other carbon atoms by covalent bond. Graphite is relatively soft and greasy. It is a good conductor or electricity. Which of the folowing types of forces bind together the carbon atoms in diamond?