Group 2 Reactions Flashcards
1
Q
Reaction with chlorine
A
Mg + Cl2 > MgCl2
2
Q
Magnesium reacting with steam
A
Mg + H2O > MgO + H2
3
Q
Magnesium with warm water - very slow
A
Mg + 2H2O > Mg(OH)2 + H2
4
Q
Reaction with water (except Mg)
A
Ca + 2H2O > Ca(OH)2 + H2
5
Q
Reaction with oxygen
A
2Mg + O2 > 2MgO
6
Q
Reaction of oxides of group 2 elements with water
A
MgO + H2O > Mg(OH)2
7
Q
Reaction of oxides of group 2 elements with acid
A
MgO + 2HCl > MgCl2 +H2O
8
Q
Reaction of hydroxides of group 2 elements with acid
A
Mg(OH)2 + 2HCL > MgCl2 + 2H2O
9
Q
Group 1 nitrates decompose (except Li)
A
2MNO3 > 2MNO2 + O2
10
Q
Lithium nitrate decomposes
A
4LiNO3 > 2LiO + 4NO2 + O2
11
Q
Group 2 carbonates decompose
A
MCO3 > MO + CO2
12
Q
Group 2 nitrates decompose
A
2M(NO3)2 > 2MO + 4NO2 + O2
