Types Of Chemical Reaction
Single Displacement
A single-displacement reaction is when an element reacts with a compound and takes the place of another element in that compound.
Example: 1)Zn+HCl=ZnCl+H2
2)CuSO4(aq) + Fe(s)= FeSO4(aq)
Double Displacement
A double-displacement reaction occurs when two compounds react,and the positive ion
Example:1]Fe2O3 + 6HCl → 2FeCl3 + 3H2O
2] 3 Mg (s) + 2 AlCl3 (aq) → 2 Al (s) + 3 MgCl2 (aq)
Combination Reaction
A combination reaction is when two reactants combine to form one product.
Example:1]MgO + CO2 ->MgCO3
2]H2 + Cl2 -> 2 HCL
Decomposition Reaction
A decomposition reaction is when a single compound breaks down into two or more elements or new compounds.
Oxidation Reaction
Addition of oxygen OR
Removal of hydrogen is called oxidation.
Example:1]H2S[aq]+Br2[aq]-->2HBr[aq]+S[s]
2]Cu[s]+O2[g]-->CuO[s]
Reduction Reaction
Addition of hydrogen OR
Removal of oxygen is called reduction.
Example:1]CuO + Mg → Cu + MgO
2]CuO[s]+H2[g]-->Cu[s]+H2o
Redox reaction
The oxidation and reduction reactions always occur simultaneously, such class of chemical reactions was named as the redox reaction or Oxidation-Reduction Reaction.
Example:1]H2 + F2 → 2HF
2]Zn (s) + CuSO4 (aq) → ZnSO4 (aq) + Cu (s)
.
.
Example:1]CaCO3 → CaO + CO2
2]2H2O→ 2H2 + O2
TYPES OF DECOMPOSITION REACTION
a]Photo decomposition reaction
b]Thermal decomposition reaction
c]Electrolytic decomposition reaction
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