Group 7 halogens

1

Where in the periodic table are the halogens found?

2

What does bromine look like?

3

What happens to the melting points and boiling points as you go down Group 7?

4

What is the physical state of iodine at room temperature?

5

What is the formula of chlorine gas?

6

What is the trend in reactivtity of Group 7 elements?

7

Which halogen will displace bromine from a solution of potassium bromide?

8

The equation below shows how chlorine can displace bromine from solutions of sodium bromide:

2Cl2 + 2Na+Br → Br2 + 2Na+Cl

What is oxidised in this reaction?

9

In a displacement reaction, iodide ions lose electrons to form iodine. What name is given to this process? [Higher tier only]

10

A Group 1 metal is ignited and placed in a container containing a toxic green-yellow gas. The reaction produces a yellow-orange flame. What is the correct equation for this reaction?