AS Inorganic equations (group 2)

Question 1

Ionic equation of Calcium with excess water

Answer 1

Ca(s)+ 2H2O(l) → Ca2+(aq) + 2OH- (aq) + H2(g)

Question 2

Ionic equation to form BaSO4

Answer 2

Ba2+ (aq) + SO4 2-(aq) → BaSO4

Question 3

2 step equation of extraction of titanium from TiCl4

Answer 3

TiO2 + 2 Cl2 + 2 C > TiCl4 + 2 CO
TiCl4 + 2Mg > Ti + 2 MgCl2

Question 4

group 2 + water equation

Answer 4

X + 2H2O > X(OH)2 + H2

Question 5

magnesium + steam equation

Answer 5

Mg (s) + H2O (g) > MgO (s) + H2 (g)

Question 6

Simplest Ionic Equation for formation of Mg(OH)2 (s)

Answer 6

Mg2+ (aq) + 2OH-(aq) > Mg(OH)2 (s)

Question 7

Simplest Ionic equation for the formation of SrSO4 (s)

Answer 7

Sr2+ (aq) + SO4 2-(aq) > SrSO4 (s)

Question 8

magnesium hydroxide in medicine equation

Answer 8

Mg(OH)2 + 2HCl > MgCl2 + 2H2O

Question 9

group 2 hydroxides down the group

Answer 9

become more soluble

Question 10

group 2 sulphates down the group

Answer 10

less soluble

Question 11

test for sulphate ions

Answer 11

use acidified BaCl2 solution with HCl (pt - white precipitate of barium sulfate forms)