Reactions Of Halogens And Halides

Question 1

Chlorines appearance in aqueous solution, then when shook with cyclohexane

Answer 1

Aqueous:very pale green
Cyclohexane:
Upper: pale green
Lower: very pale green

Question 2

Bromines appearance in aqueous solution, then when shook with cyclohexane

Answer 2

aqueous: yellow
cyclohexane:
Upper: dark orange
Lower: yellow

Question 3

Iodines appearance in aqueous solution, then when shook with cyclohexane

Answer 3

aqueous: orange/brown
cyclohexane:
Upper: purple
Lower: brown

Question 4

Chlorine + potassium bromide solution

Answer 4

Upper: orange
Lower: yellow
Halogen present: bromine
Oxidised: bromide
Reduced: chlorine
Oxidising agent: chlorine

Question 5

Chlorine + potassium iodide solution

Answer 5

Upper: purple
Lower: brown
Halogen: iodine
Oxidised: iodine
Reduced: chlorine
Oxidising agent: chlorine

Question 6

Bromine + potassium iodide solution

Answer 6

Upper: purple
Lower: orange
Halogen: iodine
Oxidised: iodide
Reduced bromine
Oxidising agent: bromine