Group 7 Redox

Question 1

What are halogens?

Answer 1

Oxidising agents

Question 2

What are halides?

Answer 2

Reducing agents

Question 3

Which halogen is the strongest oxidising agent and why?

Answer 3

Fluorine because it has the highest effective nuclear charge due to lowest shielding

Question 4

Which halogen is the weakest oxidising agent and why?

Answer 4

Iodine because it has the lowest effective nuclear charge due to highest shielding

Question 5

Which halide is the strongest reducing agent and why?

Answer 5

Iodide because it has the lowest effective charge due to having the highest shielding

Question 6

Which halide is the weakest reducing agent and why?

Answer 6

fluoride because it has the highest effective charge due to having the lowest shielding

Question 7

What type of reaction occurs between a halogen (aq) and a halide (aq)?

Answer 7

A displacement reaction

Question 8

What is observed when Cl2 reacts with Br-?

Answer 8

Orange solution

Question 9

What is observed when Cl2 reacts with I-?

Answer 9

Brown Solution

Question 10

What is observed when Br2 reacts with I-?

Answer 10

Brown Solution