Reactions of group 2 carbonates

Question 1

All group 2 carbonates (except for ………..) are insoluble in water

Answer 1

BeCO3

Question 2

All group 2 carbonates will form
………..when reacted with dilute hydrochloric acid

Answer 2

soluble chloride salts, water and carbon dioxide gas

Question 3

The carbonates of ….. form as an insoluble sulfate layer on their solid carbonates

Answer 3

The carbonates of Ca, Sr and Ba form as an insoluble sulfate layer on their solid carbonates

Question 4

The carbonates of Ca, Sr and Ba form as an insoluble sulfate layer on their solid carbonates which stops any further reaction after the…………..

Answer 4

initial bubbling (effervescence) of carbon dioxide gas is seen

Question 5

carbonate + dilute hydrochloric acid →

Answer 5

chloride + water + carbon dioxide

Question 6

carbonate + dilute sulfuric acid →

Answer 6

sulfate + water + carbon dioxide

Question 7

Where M is the metal carbonate + dilute hydrochloric acid →

Answer 7

MCO3 (s) + 2HCl (aq) - MCl2(aq) + H20 (l) + CO2(g)

Question 8

Where M is the metal carbonate + dilute sulfuric acid →

Answer 8

MCO3 (s) + H2SO4 (aq) - MSO4(s only mg aqueous) + H20 (l) + CO2(g)