Give the reagents required to test for and distinguish between the halide ions.
Write an equation, including state symbols, to show the reaction between silver nitrate solution, AgNO3 (aq), and sodium bromide solution, NaBr (aq).
Table 1 shows some of the physical properties of the halogens.
Table 1
Halogen |
Appearance at room temperature |
Boiling Point (°C) |
Fluorine |
Pale yellow gas |
-188 |
Chlorine |
-35 |
|
Bromine |
Orange / brown liquid |
|
Iodine |
183 |
|
Astatine |
337 |
Complete Table 1. Suggest a value for the boiling point of bromine.
Place the following halogens in order of increasing bond strength.
Chlorine, Cl2, Bromine, Br2 and Iodine, I2.
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