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Index: Carbon & its Compounds | Science Class 10

(a) Bonding in Carbon- The Covalent Bond

(b) Versatile Nature of Carbon (Only Homologous Series is in Curriculum of 2021-22)

(c) Chemical Properties of Carbon Compound (Not in CBSE Curriculum of 2021-2022)

(d) Some Important Carbon Compounds - Ethanol & Ethanoic Acid 

(Not in CBSE Curriculum of 2021-2022)

(e) Soaps and Detergents 

(Not in CBSE Curriculum of 2021-2022)

(f) General 

(g) Previous Year Questions

(h) NCERT Textbook & Solutions

(i) Summary & Mindmap

(j) Lakhmir Singh & Manjit Kaur

(k) Full Chapter Practice Tests and Docs

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FAQs on Index: Carbon & its Compounds - Science Class 10

1. What are the different allotropes of carbon and their properties?
Ans. Carbon exists in several allotropes, the most notable being graphite, diamond, and fullerenes. Graphite is soft and slippery, has a layered structure, and is a good conductor of electricity due to the mobility of its delocalized electrons. Diamond is extremely hard, has a tetrahedral structure, and is an electrical insulator. Fullerenes, like C60, have unique molecular structures and exhibit properties that fall between those of graphite and diamond.
2. How does carbon form covalent compounds?
Ans. Carbon forms covalent compounds by sharing electrons with other non-metal atoms. It has four valence electrons, allowing it to form four covalent bonds with other elements, including hydrogen, oxygen, and nitrogen. This ability to form stable covalent bonds leads to a vast array of organic compounds and is fundamental to the chemistry of life.
3. What are the major uses of carbon compounds in everyday life?
Ans. Carbon compounds are widely used in everyday life. For example, hydrocarbons from fossil fuels are used as fuels and lubricants. Organic compounds like plastics, pharmaceuticals, and dyes are integral to industries. Additionally, carbon-based materials like graphite are used in batteries and lubricants, while carbon fibers are utilized in high-strength materials.
4. What is the significance of carbon in biological systems?
Ans. Carbon is essential for life as it is the primary component of biomolecules such as carbohydrates, proteins, lipids, and nucleic acids. Its ability to form stable bonds with many elements allows for the complexity and diversity of biological molecules, enabling the structure and function of cells, metabolism, and genetic information storage.
5. How do carbon compounds contribute to environmental issues?
Ans. Carbon compounds, particularly carbon dioxide (CO2) and methane (CH4), are significant greenhouse gases contributing to climate change. The burning of fossil fuels releases CO2, while agricultural practices and landfills produce methane. Understanding these processes is crucial for developing strategies to mitigate climate change and manage environmental impacts.
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