Solubilities Of Halogen Elements

Question 1

Chlorine state and colour at room temp

Answer 1

Pale green gas

Question 2

Bromine state and colour at room temp

Answer 2

Red/brown liquid

Question 3

Iodine state and colour at room temp

Answer 3

Grey solid

Question 4

Chlorine vapour colour

Answer 4

Pale green

Question 5

Bromine vapour colour

Answer 5

Brown

Question 6

Iodine vapour colour

Answer 6

Purple

Question 7

Chlorine colour of aqueous solution

Answer 7

Pale green

Question 8

Bromine colour of aq solution

Answer 8

Orange

Question 9

Iodine colour of aq solution

Answer 9

Brown

Question 10

Chlorine Colour of solution in cyclohexane

Answer 10

Pale green

Question 11

Bromine colour of solution in cyclohexane

Answer 11

Orange

Question 12

Iodine colour of solution in cyclohexane

Answer 12

Violet

Question 13

Relative solubility in H2O which is the least?

Answer 13

Bromine (others are just less)

Question 14

Relative solubility in cyclohexane - which is most?

Answer 14

Bromine (others just more than H2O)

Question 15

Action of sulphuric acid on cyclohexene

Answer 15

React slightly but form separate layers- a brown funky thing forms on top- the layers then mix

Question 16

Combustion of cyclohexene with air

Answer 16

Clean yellow flame

Horrible smell