Types Of Chemical Equilibria

By | August 3, 2017

Types Of Chemical Equilibria

1) Homogeneous Equilibria

When in an equilibrium reaction, all the reactants and the products are present in the same phase , it is called homogeneous equilibrium.

Type 1 : In which the number of moles of products is equal to the number of moles of reactants

H2 + I2 sign of equilibrium reaction 2HI

N2 + O2 sign of equilibrium reaction 2NO

CO + H2sign of equilibrium reaction CO2 + H2

Type 2 : In which the number of moles of products is not equal to the number of moles of reactants

N2 + 3H2 sign of equilibrium reaction   2NH3

2SO2 + O2 sign of equilibrium reaction 2SO3

PClsign of equilibrium reaction PCl3 + Cl2

The reactions in the liquid phase are:

CH3COOH + C2H5OH sign of equilibrium reaction CH3COOC2H5 + H2O

2)Heterogeneous Equilibria

When in an equilibrium reaction, all the reactants and the products are present in two or more than two phases , it is called heterogeneous equilibrium.

CaCO3 ( s ) sign of equilibrium reaction CaO ( s ) + CO2 ( g )

3Fe ( s ) + 4H2O ( g ) sign of equilibrium reaction Fe3O4 (s ) + 4H2 ( g )

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