C2.6 Carbon and its Compounds

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

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

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

4. Describe Carbon (IV) oxide gas

5. Describe Carbon (Ii) oxide

6. Mention the two common allotropes of carbon

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

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

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

10. Describe the characteristics of Diamond

11. Describe the characteristics of Graphite

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

13. 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?

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

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

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

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

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

19. What is formed when carbon burns in oxygen?

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

21. Mention the uses of Carbon (IV) oxide

22. An impure form of carbon is called

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

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

25. How does Carbon react with concentrated sulphuric acid?

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

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

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