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AL CHEM REVIEW. AL CHEM Written Practical [Inorganic Chemistry] p.1 ~ Preparation of Gases ~ dry Cl 2 drying agent used ?? How to collect?? (upward/downward.

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Presentation on theme: "AL CHEM REVIEW. AL CHEM Written Practical [Inorganic Chemistry] p.1 ~ Preparation of Gases ~ dry Cl 2 drying agent used ?? How to collect?? (upward/downward."— Presentation transcript:

1 AL CHEM REVIEW

2 AL CHEM Written Practical [Inorganic Chemistry] p.1 ~ Preparation of Gases ~ dry Cl 2 drying agent used ?? How to collect?? (upward/downward delivery?) dry HCl dry NH 3 dry SO 2

3 p.2

4 p.3

5 p.4

6 p.5

7 p.6

8 1994 P.II Q.4 (a) Describe how a sample of dry chlorine is prepared in the laboratory. State the safety precaution(s) that is / are required. (5M) p.7

9 p.8

10 1996 P.II Q.5 (c) (i), (ii) (i)Write a balanced equation for the reaction of concentrated sulphuric (VI) acid on potassium chloride. (7M) (ii)Briefly describe how a sample of dry hydrogen chloride can be prepared in the laboratory, using the above reaction. Draw a labelled diagram of the laboratory set-up and state the safety precaution(s) that is / are required. p.9

11 1996 P.II Q.5 p.10

12 1997 P.I Q.7 (6M) (a)Briefly describe how a sample of dry chlorine gas can be prepared in the laboratory. Draw a labelled diagram of the laboratory set-up and state the safety precaution(s) that is / are required. p.11

13 1997 P.I Q.7 p.12

14 p.13

15 2001 P.I Q.7 (4M) (a)Suggest how you would prepare a sample of dry hydrogen chloride gas in a school laboratory. Draw a labelled diagram of the set-up of apparatus used in the preparation. p.14

16 2001 P.I Q.7 p.15

17 2002 P.I Q.7 (5M) (b)Devise an experiment, using chemicals and apparatus commonly available in a school laboratory, to show that the reaction of peroxodisulphate (VI) ions with iodide ions can be catalyzed by iron (III) ions. S 2 O 8 2- (aq) + 2I - (aq)  2SO 4 2- (aq) + I 2 (aq) p.16

18 2002 P.I Q.7 p.17


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