05. Le-Chatelier Principle and It's Application
Chemical Equilibrium

229195 According to Le-Chatelier's principle which of the following factors influence a chemical system?

1 Concentration only
2 Pressure only
3 Temperature only
4 concentration, pressure and termperature
Chemical Equilibrium

229197 A chemical reaction is in equilibrium when

1 the reactants are completely transformed into products
2 the rate of forward reaction is equal to the rate of backward reaction
3 the formation of products is minimised
4 equal amount of reactants and products are present
Chemical Equilibrium

229198 If a system is at equilibrium, the rate of forward to the reverse reaction is:

1 Less
2 Equal
3 High
4 At equilibrium
Chemical Equilibrium

229199 The formation of $\mathrm{SO}_{3}$ takes place according to the following reaction:
$2 \mathrm{SO}_{2}+\mathrm{O}_{2} \rightleftharpoons \quad 2 \mathrm{SO}_{3} ; \Delta \mathrm{H}=-45.2 \mathrm{kcal}$
The formation of $\mathrm{SO}_{3}$ is favoured by

1 Increase in temperature
2 Removal of oxygen
3 Increase of volume
4 Increase of pressure
Chemical Equilibrium

229195 According to Le-Chatelier's principle which of the following factors influence a chemical system?

1 Concentration only
2 Pressure only
3 Temperature only
4 concentration, pressure and termperature
Chemical Equilibrium

229197 A chemical reaction is in equilibrium when

1 the reactants are completely transformed into products
2 the rate of forward reaction is equal to the rate of backward reaction
3 the formation of products is minimised
4 equal amount of reactants and products are present
Chemical Equilibrium

229198 If a system is at equilibrium, the rate of forward to the reverse reaction is:

1 Less
2 Equal
3 High
4 At equilibrium
Chemical Equilibrium

229199 The formation of $\mathrm{SO}_{3}$ takes place according to the following reaction:
$2 \mathrm{SO}_{2}+\mathrm{O}_{2} \rightleftharpoons \quad 2 \mathrm{SO}_{3} ; \Delta \mathrm{H}=-45.2 \mathrm{kcal}$
The formation of $\mathrm{SO}_{3}$ is favoured by

1 Increase in temperature
2 Removal of oxygen
3 Increase of volume
4 Increase of pressure
Chemical Equilibrium

229195 According to Le-Chatelier's principle which of the following factors influence a chemical system?

1 Concentration only
2 Pressure only
3 Temperature only
4 concentration, pressure and termperature
Chemical Equilibrium

229197 A chemical reaction is in equilibrium when

1 the reactants are completely transformed into products
2 the rate of forward reaction is equal to the rate of backward reaction
3 the formation of products is minimised
4 equal amount of reactants and products are present
Chemical Equilibrium

229198 If a system is at equilibrium, the rate of forward to the reverse reaction is:

1 Less
2 Equal
3 High
4 At equilibrium
Chemical Equilibrium

229199 The formation of $\mathrm{SO}_{3}$ takes place according to the following reaction:
$2 \mathrm{SO}_{2}+\mathrm{O}_{2} \rightleftharpoons \quad 2 \mathrm{SO}_{3} ; \Delta \mathrm{H}=-45.2 \mathrm{kcal}$
The formation of $\mathrm{SO}_{3}$ is favoured by

1 Increase in temperature
2 Removal of oxygen
3 Increase of volume
4 Increase of pressure
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Chemical Equilibrium

229195 According to Le-Chatelier's principle which of the following factors influence a chemical system?

1 Concentration only
2 Pressure only
3 Temperature only
4 concentration, pressure and termperature
Chemical Equilibrium

229197 A chemical reaction is in equilibrium when

1 the reactants are completely transformed into products
2 the rate of forward reaction is equal to the rate of backward reaction
3 the formation of products is minimised
4 equal amount of reactants and products are present
Chemical Equilibrium

229198 If a system is at equilibrium, the rate of forward to the reverse reaction is:

1 Less
2 Equal
3 High
4 At equilibrium
Chemical Equilibrium

229199 The formation of $\mathrm{SO}_{3}$ takes place according to the following reaction:
$2 \mathrm{SO}_{2}+\mathrm{O}_{2} \rightleftharpoons \quad 2 \mathrm{SO}_{3} ; \Delta \mathrm{H}=-45.2 \mathrm{kcal}$
The formation of $\mathrm{SO}_{3}$ is favoured by

1 Increase in temperature
2 Removal of oxygen
3 Increase of volume
4 Increase of pressure