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Syllabus

Carbon and Its Compounds — Syllabus

NIOS · Class 10 · Science & Tech

What Carbon and Its Compounds covers in NIOS Class 10 Science & Tech: 4 topics, for the 2026-27 session. Part of the NIOS Class 10 Science & Tech syllabus.

43 questions46 flashcards7 formulas & key relations5 concepts

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A diagram illustrating the electronic configuration of a carbon atom (2,4) and how it achieves stability by forming four covalent bonds, making it tetravalent.
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4 Topics · NIOS Class 10 Science & Tech · 2026-27

Topics in Carbon and Its Compounds

1

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

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

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

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.

Key Concepts

Central concept: Carbon and Its Compounds

Carbon as an elementAllotropes of carbonOxides of carbonHydrocarbonsFunctional derivatives of hydrocarbonsIUPAC nomenclatureDaily-use compounds

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Frequently Asked Questions

What are the important topics in Carbon and Its Compounds for NIOS Class 10 Science & Tech?
Key topics in Carbon and Its Compounds include Carbon: basic properties and special features, Allotropes of carbon and microcrystalline forms, Compounds of carbon: organic and inorganic, Oxides of carbon. Study these first, then practise questions on each for the NIOS Class 10 board exam.
How should I revise Carbon and Its Compounds for the NIOS Class 10 board exam?
Learn the core ideas first, then work through the 43 practice questions on Carbon and Its Compounds. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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