Understanding Carbon Allotropes
Allotropes are different structural forms of the same element in the same physical state. Carbon exhibits several allotropes due to its unique ability to form stable bonds with itself.
Identifying Carbon Allotropes
Common allotropes of carbon include:
- Diamond: A hard, crystalline structure where each carbon atom is bonded to four other carbon atoms in a tetrahedral arrangement.
- Graphite: A soft, layered structure where carbon atoms are arranged in hexagonal rings.
- Fullerenes: Molecules composed entirely of carbon, such as Buckminsterfullerene (C60), often forming spherical, ellipsoidal, or cylindrical structures.
Distinguishing Compounds from Allotropes
Carbon dioxide (chemical formula CO2$) is a compound, not an allotrope. It is formed when carbon reacts with oxygen, resulting in a molecule containing carbon atoms bonded to oxygen atoms. An allotrope must consist solely of the element itself in different structural forms.
Conclusion: NOT a Carbon Allotrope
Based on the definitions:
- Diamond is an allotrope of Carbon.
- Graphite is an allotrope of Carbon.
- Fullerenes are allotropes of Carbon.
- Carbon dioxide is a compound of Carbon and Oxygen, hence NOT an allotrope of Carbon.
Therefore, Carbon dioxide is the correct answer.
Similar Questions
- The chemical name of blue vitriol is ________.
- What is the Common name of mercury?
- Which among the following is an amphoteric oxide?
- Settling down of heavier insoluble components of a mixture of water and insoluble substances is called:
- Which one of the following is NOT an element?
- Heavy Water is so called because:
- Which of the following elements is a versatile element that forms the basis for all living organisms and many of the things we use?
- If a solution changes the colour of blue litmus paper to red, what will the pH of this solution be?
- The compound of a metal found in nature is called:
- What is the ratio of nitrogen and hydrogen in ammonia on the basis of mass?
Important Questions from Basic Concepts of Chemistry
- Which one of the following is a chemical change?
Which one of the following methods can be used to separate anthracene from a mixture of salt and anthracene ?
Which among the following are essential constituents of Portland cement?
20 g of common salt is dissolved in 180 g of water. What is the mass percentage of the salt in the solution?
Combination of one volume of nitrogen with three volumes of hydrogen produces
