Chemistry AS level 9701 [] List of All Reactions

Chemistry AS level Reactions


INORGANIC:

Sodium Hydroxide + Chlorine:

● 2NaOH + Cl2 —> NaCl + NaClO + H2O [for COLD DILUTE NaOH]

● 6NaOH + 3Cl2 —> 5NaCl + NaClO3 + 3H2O [for HOT concentrated NaOH]

Period 3 oxides + water:
● Na2O + H2O —> NaOH
● MgO + H2O —> Mg(OH)2 [pH 9]
● Al2O3 + H2O —> NO REACTION
● SiO2 + H2O —> NO REACTION
● P4O10 + 6H2O —> 4H3PO4
● SO2 + H2O —> H2SO3 (sulfurous acid)



Period 3 oxides + HCl /NaOH




es
● Na2O + 2HCl —> 2NaCl + H2O
● MgO + 2HCl —> MgCl2 + H2O
● Al2O3 + 6HCl —> 2AlCl3 + 3H2O
● Al2O3 + 2NaOH + 3H2O —> 2NaAl(OH)4
● SiO2 + 2NaOH —> NaSiO3 + H2O [HOT NaOH]
t
● P4O10 + 12NaOH —> 4Na3PO4 + 6H2O
● SO2 + 2NaOH —> Na2SO3 + H2O
no
○ Na2SO3 + H2O + SO2 —> 2NaHSO3

Calcium compounds with sulfur dioxide

● CaO + SO2 —> CaSO3
● CaO + SO2 + 2H2O + ½O2 —> CaSO4 · 2H2O
● CaCO3 + SO2 —> CaSO3 + CO2
AJ


● Ca(OH)2 + SO2 —> CaSO3 + H2O
● CaO + ½O2 + SO2 —> CaSO4

Period 3 elements with chlorine

● 2Na (s) + Cl2 (g) —> 2NaCl (s)
● Mg (s) + Cl2 (g) —> MgCl2 (s)
● Al (s) + 3/2 Cl2 (g) —> AlCl3 (s)
○ 2Al + 3Cl2 —> Al2Cl6 (g) ] in gaseous state
● Si (s) + 2Cl2 (g) —> SiCl4 (l)
● 2P (s) + 5Cl2 (g) —> 2PCl5 (s)
● P4 + 6Cl2 —> 4PCl3

Period 3 chlorides with water

● Al2Cl6 + 12H2O —> 2[Al(H2O)6]3+ + 6Cl-
● SiCl4 + 2H2O —> SiO2 + 4HCl
● PCl5 + 4H2O —> H3PO4 + 5HCl

, Chemistry AS level Reactions




Metal + oxygen

● 2M(s) + O2 —> 2MO (M = metal)
● 4Na + O2 —> 2Na2O
● 2Mg + O2 —> 2MgO
● etc.

Metal oxides with acids

● MO + H2SO4 —> MSO4 + H2O (M = metal)
● MO + 2H+ -> M2+ + H2O (M = metal) [electron transfer equation]
● CaO + H2SO4 —> CaSO4 + H2O
● Na2O + H2SO4 —> Na2SO4 + H2O
● etc.

Metals with acids

● M(s) + H2SO4 -> MSO4 + H2 (M = metal)




es
● M(s) + 2H+ -> M2+ + H2 (M = metal) [electron transfer equation]
● Ca + H2SO4 —> CaSO4 + H2
● Na + H2SO4 —> Na2SO4 + H2
● etc.

Formation of Hydroxide t
no
● M(s) + 2H2O —> M(OH)2 + H2 (M = metal = Ra, Sr, Ba) [ph 12-14]
● MO(s) + H2O —> M(OH)2 (M = metal)
● Ra + 2H2O —> Ra(OH)2 + H2
● Na2O(s) + H2O —> 2Na(OH)
● CaO + H2O -> Ca(OH)2 [pH 11-13]
● etc.

Hydroxide + acid [neutralization]
AJ


● M(OH)2 + H2SO4 —> MSO4 + 2H2O (M = metal)
● M(OH)2 + 2H+ —> M2+ + 2H2O (M = metal)
● Ca(OH)2 + H2SO4 —> CaSO4 + 2H2O
● 2Na(OH) + H2SO4 —> Na2SO4 + 2H2O
● etc.

Mg with water

● Mg(s) + 2H2O —> Mg(OH)2 + H2 (cold)
● Mg(s) + H2O —> MgO + H2 (hot)

Calcium carbonate with carbon dioxide and water [reversible]

● CO2 + H2O + CaCO3 —> Ca(HCO3)2
● Ca(HCO3)2 —> CaCO3 + CO2 + H2O [thermal decomposition]

Magnesium carbonate + acid

● MCO3 + 2H+ —> M2+ + CO2 + H2O (M = metal)
● MgCO3 + HNO3 —> Mg(NO3)2 + CO2 + H2O