Reactivity Trends

Question 1

What type of agents are group 2

Answer 1

Reducing

Question 2

G2 +2H2O goes to what

Answer 2

G2hydroxide and hydrogen gas

Question 3

As you go down the group what happens to solubility

Answer 3

Increases

Question 4

As you go down the group is it a stronger reducing agent

Answer 4

Yes

Question 5

What is Callum hydroxide used for

Answer 5

Farmers soil

Question 6

Calcium carbonate + 2HCl-> calcium chloride carbon dioxide and water

Answer 6

Se above

Question 7

Magnesium hydroxide and 2HCl goes to

Answer 7

Magnesium Chloride and water

Question 8

What happens to boiling point as you go down the group halogens

Answer 8

Increases

Question 9

Colour of halogens in water

Answer 9

Pale green orange brown

Question 10

Colour of halogens in organic solvent

Answer 10

Pale green orange brown

Question 11

Halogens what happens to reactivity as you go down group

Answer 11

Decreases

Question 12

What is disproportionation

Answer 12

When an substance is reduced and oxidised

Question 13

Cold Cl2 and NaOH

Answer 13

1 2 - 1 1 1

Question 14

Hot concentrated Cl2 and NaOH

Answer 14

3 6 - 5 3 1

Question 15

Pros and cons to chlorine in water

Answer 15

Toxic chlorinated hydrocarbons

Bacteria will come back

Question 16

Silver nitrate and halogens

Answer 16

White cream yellow

Question 17

Order for tests

Answer 17

Carbonate
Sulphate (barium carbonate is white)
Halides (silver sulphate is insoluble)