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CBSE Class 11-science Answered

why lowering temperature in exothermic reaction favours forward reaction? please explain me according to le chatlier`s principle  
Asked by my3shyll | 22 Jun, 2018, 08:58: PM
answered-by-expert Expert Answer
Le Chatelier's principle:
 
It states that when an equilibrium is subjected to either a change in concentration, temperature or pressure then the equilibrium will shift in a direction such that the effects caused due to the changes are reduced or nullified.
 
If at equilibrium the temperature of a system is changed the system will no longer remain at equilibrium.
According to Le Chatelier's principle the effect of removal of heat is reduced by shifting equilibrium in a direction in which the removed heat is replenished.
Therefore a decrease in temperature favors an exothermic reaction.
Answered by Varsha | 25 Jun, 2018, 11:44: AM
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