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A + B ----> AB wHEN WE INCREASE THE concentration of A or B, the equillibrium shifts in forward direction What would happen if we then increase the concentrayion of B. Does it increase at once on addition, or does it first remains constant in order to compensate the increase in concentration of A. Will the equillibrium shift in forward direction, if the conc of both A and B is increased in the same ratio as the stoichiometric coefficients of a balanced chemical equation, or there is no efect?????

A + B ---->  AB


         <----


wHEN WE INCREASE THE concentration of A or B, the equillibrium shifts in forward direction


What would happen if we then increase the concentrayion of B. Does it increase at once on addition, or does it first remains constant in order to compensate the increase in concentration of A.


Will the equillibrium shift in forward direction, if the conc of both A and B  is increased in the same ratio as the stoichiometric coefficients  of a balanced chemical equation, or there is no efect?????

Grade:11

1 Answers

SAGAR SINGH - IIT DELHI
878 Points
13 years ago

Dear student,

Le Chatelier's principle states that when a system in chemical equilibrium is disturbed by a change of temperature, pressure, or a concentration, the system shifts in equilibrium composition in a way that tends to counteract this change of variable. The three ways that Le Chatelier's principle says you can affect the outcome of the equilibrium are as follows:

  • Changing concentrations by adding or removing products or reactants to the reaction vessel.
  • Changing partial pressure of gaseous reactants and products.
  • Changing the temperature.

These actions change each equilibrium differently, therefore you must determine what needs to happen for the reaction to get back in equilibrium.

Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation.

All the best.

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Askiitians Expert

Sagar Singh

B.Tech, IIT Delhi

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