Carbon and Its Compounds
NIOS · Class 10 · Science & Tech
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1. Carbon: basic properties and special features
- Carbon belongs to Group 14 and has electronic configuration 2,4.
- Carbon is the sixth most abundant element in the universe.
- Carbon is the second most common element in the human body after oxygen.
2. Allotropes of carbon and microcrystalline forms
- Diamond, graphite, and fullerene are the three allotropic forms of carbon.
- Allotropes are different forms of the same element in the same physical state.
- Diamond has a three-dimensional tetrahedral covalent network.
3. Compounds of carbon: organic and inorganic
- Compounds of carbon are classified into organic and inorganic compounds.
- Organic compounds are now defined as compounds of carbon.
- Inorganic compounds of carbon include calcium carbide, HCN, CS2, carbon monoxide, and carbon dioxide.
4. Oxides of carbon
- The two important oxides of carbon are carbon monoxide and carbon dioxide.
- Carbon monoxide forms when carbon or hydrocarbons burn in limited oxygen.
- Carbon monoxide is colourless, odourless, and toxic.
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