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Consider the following statements regarding Graphite:
- It is crystalline carbon formed by the sediments containing carbonaceous material.
- It is a good conductor of electricity.
Which of the statements given above is/are correct?
- a)1 only
- b)2 only
- c)Both 1 and 2
- d)Neither 1 nor 2
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
Consider the following statements regarding Graphite: It is crystallin...
The correct answer is option C - Both 1 and 2.
Explanation:
Graphite is a form of crystalline carbon that is commonly found in nature. Let's break down each statement to understand why both of them are correct.
Statement 1: It is crystalline carbon formed by the sediments containing carbonaceous material.
Graphite is formed from sediments that contain carbonaceous material. Over time, these sediments undergo high pressure and temperature, causing the carbon atoms to arrange themselves in a crystalline structure. This process is known as graphitization. The sediments can include organic matter such as plant remains, coal, or carbon-rich rocks.
So, statement 1 is correct.
Statement 2: It is a good conductor of electricity.
Graphite is an excellent conductor of electricity. This property is due to its unique structure. In graphite, carbon atoms are arranged in layers of tightly bonded hexagonal rings. Within each layer, the carbon atoms are strongly bonded to each other, creating a strong covalent bond. However, the layers are weakly bonded to each other, allowing electrons to move freely between the layers.
This delocalization of electrons makes graphite a good conductor of electricity. When a voltage is applied, the electrons can easily flow through the layers, resulting in the conduction of electricity.
So, statement 2 is also correct.
Conclusion:
Both statements 1 and 2 are correct. Graphite is indeed formed from sediments containing carbonaceous material, and it is a good conductor of electricity.
Explanation:
Graphite is a form of crystalline carbon that is commonly found in nature. Let's break down each statement to understand why both of them are correct.
Statement 1: It is crystalline carbon formed by the sediments containing carbonaceous material.
Graphite is formed from sediments that contain carbonaceous material. Over time, these sediments undergo high pressure and temperature, causing the carbon atoms to arrange themselves in a crystalline structure. This process is known as graphitization. The sediments can include organic matter such as plant remains, coal, or carbon-rich rocks.
So, statement 1 is correct.
Statement 2: It is a good conductor of electricity.
Graphite is an excellent conductor of electricity. This property is due to its unique structure. In graphite, carbon atoms are arranged in layers of tightly bonded hexagonal rings. Within each layer, the carbon atoms are strongly bonded to each other, creating a strong covalent bond. However, the layers are weakly bonded to each other, allowing electrons to move freely between the layers.
This delocalization of electrons makes graphite a good conductor of electricity. When a voltage is applied, the electrons can easily flow through the layers, resulting in the conduction of electricity.
So, statement 2 is also correct.
Conclusion:
Both statements 1 and 2 are correct. Graphite is indeed formed from sediments containing carbonaceous material, and it is a good conductor of electricity.
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Community Answer
Consider the following statements regarding Graphite: It is crystallin...
Recently, China has unveiled plans to restrict exports of graphite — a mineral crucial to the manufacture of batteries for electric vehicles (EVs) — on national security grounds.
- It is an opaque, non-metallic carbon polymorph that is blackish silver in colour and metallic to dull in sheen.
- Since it resembles the metal lead, it is also known colloquially as black lead or plumbago.
- It is formed by the metamorphosis of sediments containing carbonaceous material.
- It is a naturally occurring form of crystalline carbon.
- It is extremely soft, cleaves with very light pressure, and has a very low specific gravity.
- In contrast, it is extremely resistant to heat and nearly inert in contact with almost any other material.
- These extreme properties give it a wide range of uses in metallurgy and manufacturing.
- It is a good conductor of electricity.
- Molecular structure
- It consists of a ring of six carbon atoms closely bonded together hexagonally in widely spaced layers.
- The bonds within the layers are strong but the bonds between the layers are less in number and therefore are weaker.
- Graphite is the stable form of carbon.
- Applications: It is used in pencils, lubricants, crucibles, foundry facings, polishes, arc lamps, batteries, brushes for electric motors, and cores of nuclear reactors.
- It is mined extensively in China, India, Brazil, North Korea, and Canada.
Hence both statements are correct.
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Consider the following statements regarding Graphite: It is crystalline carbon formed by the sediments containing carbonaceous material. It is a good conductor of electricity.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'C'. Can you explain this answer?
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