C2.6 Carbon and its Compounds

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

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

3. What is formed when carbon burns in oxygen?

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

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

6. Mention the two common allotropes of carbon

7. 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?

8. Describe the characteristics of Graphite

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

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

11. Describe the characteristics of Diamond

12. Describe Carbon (IV) oxide gas

13. How does Carbon react with concentrated sulphuric acid?

14. Describe Carbon (Ii) oxide

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

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

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

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

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

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

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

22. An impure form of carbon is called

23. Mention the uses of Carbon (IV) oxide

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

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

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

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

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