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
- What is the Common name of mercury?
- Settling down of heavier insoluble components of a mixture of water and insoluble substances is called:
- The compound of a metal found in nature is called:
- 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?
- Which one of the following is NOT an element?
- If a solution changes the colour of blue litmus paper to red, what will the pH of this solution be?
- The chemical name of blue vitriol is ________.
Which of the following substances is considered neutral according to the pH scale?
Which term refers to the quantitative study of reactants and products in a chemical reaction?
Important Questions from Basic Concepts of Chemistry
Which of the following pair is correct?
I. Isotopes – different mass numbers
II. Isobars – different atomic numbers
Which of the following is a zone of a flame?
I. Dark
II. Luminous
III. Non-Luminous
If formula of sodium salt of an anion X is \(Na_2X\) , then the formula of its aluminium salt would be
Which of the following set contains same number of molecules?
A. 1 gram O 2, 2 grams SO 2
B. 1 gram CO 2, 1 gram N 2O
C. 1 gram O 2, 1 gram O 3
The volume of CO 2liberated at STP when 10 gm of 90% pure limestone strongly heated is
