Group 2

Question 1

Reactivity trend

Answer 1

The metals get more reactive as we go down the group

Question 2

Group 2 metals plus oxygen

Answer 2

White solid metal oxides

Question 3

Group 2 metals plus water

Answer 3

Be has no reaction but everything else does to form metal hydroxide and hydrogen
Mg reacts vigorously with steam but slowly with water

Question 4

Group 2 metals plus dilute acid

Answer 4

All react

Question 5

Group 2 metal oxides plus water

Answer 5

BeO doesn’t react but everything else does to form metal hydroxide
Increasing trend in reactivity down the group

Question 6

Group 2 metal oxides and hydroxides

Answer 6

Are all soluble in aqueous hydrochloric acid

Form metal chloride

Question 7

Group 2 metal carbonates

Answer 7

All insoluble in water but react with dilute aqueous acids to produce metal ion carbon dioxide and water

Question 8

What happens to the carbonates as the ionic radius increases

Answer 8

They become more stable to heat

Decompose to form metal oxide and carbon dioxide

Question 9

Group 2 metal nitrates decompose to produce

Answer 9

Metal oxide+nitrogen dioxide+oxygen

Question 10

Limestone

Answer 10

Mainly made up of calcium carbonate

Used as a building material and to make cement

Question 11

Slaked lime

Answer 11

Calcium hydroxide

Used by farmer to raise the pH of acidic souls as it’s basic