C2.6 Carbon and its Compounds

1. Which allotrope of carbon has a giant atomic structure in which carbon atom is bonded to four other carbon atoms to form a regular tetrahedron shape?

2. Mention the chemical properties of carbon (II) oxide

3. How is Carbon (II) oxide produced in the Lab? By dehydrating Methanoic acid using concentrated Sulphuric (VI) acid?                                               

4. How does Carbon react with concentrated Nitric (V) acid?

5. How does Carbon react with concentrated sulphuric acid?

6. Mention the properties of Carbon (IV) oxide gas

7. Describe the physical properties of Carbon (II) Oxide.

8. Allotropy is the existence of an element in more than one form in the same physical state. True or False

9. Which allotrope of carbon has a giant atomic structure in which layers are held together by Van der Waals forces?

10. Describe Carbon (IV) oxide gas

11. An impure form of carbon is called

12. Mention the two common allotropes of carbon

13. Describe the characteristics of Diamond

14. What is observed when a mixture of carbon and some metals oxides are heated?

15. Fullerene is a synthetic allotrope of carbon. True or False

16. Name the allotrope of carbon which is black, soft and slippery crystalline solid

17. Carbonates are salts of metal ions or ammonium ions with carbonate ions. True or False

18. What makes graphite a good lubricant of fast-moving machines which generate a lot of heat?

19. Describe the characteristics of Graphite

20. How is carbon (IV) oxide prepared in the Lab?

21. What makes graphite a good conductor of electricity and a good electrode?

22. Name the allotrope of carbon which is stable, colorless, transparent and shiny crystalline solid

23. Describe Carbon (Ii) oxide

24. What is the action of heat on carbonates and hydrogen carbonates?

25. What is formed when carbon burns in oxygen?

26. Which of the following is not an example of amorphous carbon?

27. Mention the uses of Carbon (IV) oxide

28. Explain the products formed when carbonates and hydrogen carbonates react with dilute acids